diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ac7cbe7ef0b..b54c1f32386 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -24,6 +24,7 @@ repos:
           - --comment-style
           - "|#|"
     -   id: insert-license
+        exclude: media\/.*\/libs\/.*$
         files: \.js$
         args:
           - --license-filepath
diff --git a/media/js/ie/libs/html5shiv.js b/media/js/ie/libs/html5shiv.js
index 0af49bc4eb6..1a01c94ba47 100755
--- a/media/js/ie/libs/html5shiv.js
+++ b/media/js/ie/libs/html5shiv.js
@@ -1,9 +1,3 @@
-/*
-* This Source Code Form is subject to the terms of the Mozilla Public
-* License, v. 2.0. If a copy of the MPL was not distributed with this
-* file, You can obtain one at https://mozilla.org/MPL/2.0/.
-*/
-
 /**
 * @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
 */
diff --git a/media/js/libs/classlist.js b/media/js/libs/classlist.js
index a68f0b87914..797a8f57553 100644
--- a/media/js/libs/classlist.js
+++ b/media/js/libs/classlist.js
@@ -1,9 +1,3 @@
-/*
-* This Source Code Form is subject to the terms of the Mozilla Public
-* License, v. 2.0. If a copy of the MPL was not distributed with this
-* file, You can obtain one at https://mozilla.org/MPL/2.0/.
-*/
-
 /*
  * classList.js: Cross-browser full element.classList implementation.
  * 1.2.20171210
diff --git a/media/js/libs/modernizr.custom.inputtypes.js b/media/js/libs/modernizr.custom.inputtypes.js
index b37f431233b..15fdc538d07 100644
--- a/media/js/libs/modernizr.custom.inputtypes.js
+++ b/media/js/libs/modernizr.custom.inputtypes.js
@@ -1,9 +1,3 @@
-/*
-* This Source Code Form is subject to the terms of the Mozilla Public
-* License, v. 2.0. If a copy of the MPL was not distributed with this
-* file, You can obtain one at https://mozilla.org/MPL/2.0/.
-*/
-
 /*! modernizr 3.6.0 (Custom Build) | MIT *
  * https://modernizr.com/download/?-inputtypes-setclasses !*/
  !function(e,t,n){function a(e,t){return typeof e===t}function s(){var e,t,n,s,i,o,c;for(var u in r)if(r.hasOwnProperty(u)){if(e=[],t=r[u],t.name&&(e.push(t.name.toLowerCase()),t.options&&t.options.aliases&&t.options.aliases.length))for(n=0;n<t.options.aliases.length;n++)e.push(t.options.aliases[n].toLowerCase());for(s=a(t.fn,"function")?t.fn():t.fn,i=0;i<e.length;i++)o=e[i],c=o.split("."),1===c.length?Modernizr[c[0]]=s:(!Modernizr[c[0]]||Modernizr[c[0]]instanceof Boolean||(Modernizr[c[0]]=new Boolean(Modernizr[c[0]])),Modernizr[c[0]][c[1]]=s),l.push((s?"":"no-")+c.join("-"))}}function i(e){var t=u.className,n=Modernizr._config.classPrefix||"";if(f&&(t=t.baseVal),Modernizr._config.enableJSClass){var a=new RegExp("(^|\\s)"+n+"no-js(\\s|$)");t=t.replace(a,"$1"+n+"js$2")}Modernizr._config.enableClasses&&(t+=" "+n+e.join(" "+n),f?u.className.baseVal=t:u.className=t)}function o(){return"function"!=typeof t.createElement?t.createElement(arguments[0]):f?t.createElementNS.call(t,"http://www.w3.org/2000/svg",arguments[0]):t.createElement.apply(t,arguments)}var l=[],r=[],c={_version:"3.6.0",_config:{classPrefix:"",enableClasses:!0,enableJSClass:!0,usePrefixes:!0},_q:[],on:function(e,t){var n=this;setTimeout(function(){t(n[e])},0)},addTest:function(e,t,n){r.push({name:e,fn:t,options:n})},addAsyncTest:function(e){r.push({name:null,fn:e})}},Modernizr=function(){};Modernizr.prototype=c,Modernizr=new Modernizr;var u=t.documentElement,f="svg"===u.nodeName.toLowerCase(),p=o("input"),d="search tel url email datetime date month week time datetime-local number range color".split(" "),m={};Modernizr.inputtypes=function(e){for(var a,s,i,o=e.length,l="1)",r=0;o>r;r++)p.setAttribute("type",a=e[r]),i="text"!==p.type&&"style"in p,i&&(p.value=l,p.style.cssText="position:absolute;visibility:hidden;",/^range$/.test(a)&&p.style.WebkitAppearance!==n?(u.appendChild(p),s=t.defaultView,i=s.getComputedStyle&&"textfield"!==s.getComputedStyle(p,null).WebkitAppearance&&0!==p.offsetHeight,u.removeChild(p)):/^(search|tel)$/.test(a)||(i=/^(url|email)$/.test(a)?p.checkValidity&&p.checkValidity()===!1:p.value!=l)),m[e[r]]=!!i;return m}(d),s(),i(l),delete c.addTest,delete c.addAsyncTest;for(var h=0;h<Modernizr._q.length;h++)Modernizr._q[h]();e.Modernizr=Modernizr}(window,document);
diff --git a/media/js/libs/spin.min.js b/media/js/libs/spin.min.js
index ad7c44aff3f..ebfbb1a2e2e 100644
--- a/media/js/libs/spin.min.js
+++ b/media/js/libs/spin.min.js
@@ -1,8 +1,2 @@
-/*
-* This Source Code Form is subject to the terms of the Mozilla Public
-* License, v. 2.0. If a copy of the MPL was not distributed with this
-* file, You can obtain one at https://mozilla.org/MPL/2.0/.
-*/
-
 //fgnass.github.com/spin.js#v2.0.1
 !function(a,b){"object"==typeof exports?module.exports=b():"function"==typeof define&&define.amd?define(b):a.Spinner=b()}(this,function(){"use strict";function a(a,b){var c,d=document.createElement(a||"div");for(c in b)d[c]=b[c];return d}function b(a){for(var b=1,c=arguments.length;c>b;b++)a.appendChild(arguments[b]);return a}function c(a,b,c,d){var e=["opacity",b,~~(100*a),c,d].join("-"),f=.01+c/d*100,g=Math.max(1-(1-a)/b*(100-f),a),h=j.substring(0,j.indexOf("Animation")).toLowerCase(),i=h&&"-"+h+"-"||"";return l[e]||(m.insertRule("@"+i+"keyframes "+e+"{0%{opacity:"+g+"}"+f+"%{opacity:"+a+"}"+(f+.01)+"%{opacity:1}"+(f+b)%100+"%{opacity:"+a+"}100%{opacity:"+g+"}}",m.cssRules.length),l[e]=1),e}function d(a,b){var c,d,e=a.style;for(b=b.charAt(0).toUpperCase()+b.slice(1),d=0;d<k.length;d++)if(c=k[d]+b,void 0!==e[c])return c;return void 0!==e[b]?b:void 0}function e(a,b){for(var c in b)a.style[d(a,c)||c]=b[c];return a}function f(a){for(var b=1;b<arguments.length;b++){var c=arguments[b];for(var d in c)void 0===a[d]&&(a[d]=c[d])}return a}function g(a,b){return"string"==typeof a?a:a[b%a.length]}function h(a){this.opts=f(a||{},h.defaults,n)}function i(){function c(b,c){return a("<"+b+' xmlns="urn:schemas-microsoft.com:vml" class="spin-vml">',c)}m.addRule(".spin-vml","behavior:url(#default#VML)"),h.prototype.lines=function(a,d){function f(){return e(c("group",{coordsize:k+" "+k,coordorigin:-j+" "+-j}),{width:k,height:k})}function h(a,h,i){b(m,b(e(f(),{rotation:360/d.lines*a+"deg",left:~~h}),b(e(c("roundrect",{arcsize:d.corners}),{width:j,height:d.width,left:d.radius,top:-d.width>>1,filter:i}),c("fill",{color:g(d.color,a),opacity:d.opacity}),c("stroke",{opacity:0}))))}var i,j=d.length+d.width,k=2*j,l=2*-(d.width+d.length)+"px",m=e(f(),{position:"absolute",top:l,left:l});if(d.shadow)for(i=1;i<=d.lines;i++)h(i,-2,"progid:DXImageTransform.Microsoft.Blur(pixelradius=2,makeshadow=1,shadowopacity=.3)");for(i=1;i<=d.lines;i++)h(i);return b(a,m)},h.prototype.opacity=function(a,b,c,d){var e=a.firstChild;d=d.shadow&&d.lines||0,e&&b+d<e.childNodes.length&&(e=e.childNodes[b+d],e=e&&e.firstChild,e=e&&e.firstChild,e&&(e.opacity=c))}}var j,k=["webkit","Moz","ms","O"],l={},m=function(){var c=a("style",{type:"text/css"});return b(document.getElementsByTagName("head")[0],c),c.sheet||c.styleSheet}(),n={lines:12,length:7,width:5,radius:10,rotate:0,corners:1,color:"#000",direction:1,speed:1,trail:100,opacity:.25,fps:20,zIndex:2e9,className:"spinner",top:"50%",left:"50%",position:"absolute"};h.defaults={},f(h.prototype,{spin:function(b){this.stop();{var c=this,d=c.opts,f=c.el=e(a(0,{className:d.className}),{position:d.position,width:0,zIndex:d.zIndex});d.radius+d.length+d.width}if(e(f,{left:d.left,top:d.top}),b&&b.insertBefore(f,b.firstChild||null),f.setAttribute("role","progressbar"),c.lines(f,c.opts),!j){var g,h=0,i=(d.lines-1)*(1-d.direction)/2,k=d.fps,l=k/d.speed,m=(1-d.opacity)/(l*d.trail/100),n=l/d.lines;!function o(){h++;for(var a=0;a<d.lines;a++)g=Math.max(1-(h+(d.lines-a)*n)%l*m,d.opacity),c.opacity(f,a*d.direction+i,g,d);c.timeout=c.el&&setTimeout(o,~~(1e3/k))}()}return c},stop:function(){var a=this.el;return a&&(clearTimeout(this.timeout),a.parentNode&&a.parentNode.removeChild(a),this.el=void 0),this},lines:function(d,f){function h(b,c){return e(a(),{position:"absolute",width:f.length+f.width+"px",height:f.width+"px",background:b,boxShadow:c,transformOrigin:"left",transform:"rotate("+~~(360/f.lines*k+f.rotate)+"deg) translate("+f.radius+"px,0)",borderRadius:(f.corners*f.width>>1)+"px"})}for(var i,k=0,l=(f.lines-1)*(1-f.direction)/2;k<f.lines;k++)i=e(a(),{position:"absolute",top:1+~(f.width/2)+"px",transform:f.hwaccel?"translate3d(0,0,0)":"",opacity:f.opacity,animation:j&&c(f.opacity,f.trail,l+k*f.direction,f.lines)+" "+1/f.speed+"s linear infinite"}),f.shadow&&b(i,e(h("#000","0 0 4px #000"),{top:"2px"})),b(d,b(i,h(g(f.color,k),"0 0 1px rgba(0,0,0,.1)")));return d},opacity:function(a,b,c){b<a.childNodes.length&&(a.childNodes[b].style.opacity=c)}});var o=e(a("group"),{behavior:"url(#default#VML)"});return!d(o,"transform")&&o.adj?i():j=d(o,"animation"),h});
\ No newline at end of file