Remove redundant properties from .embed-responsive (twbs#28062)

Author: MartijnCuppens

scss/helpers/_embed.scss

@@ -2,10 +2,7 @@
 
 .embed-responsive {
   position: relative;
-  display: block;
   width: 100%;
-  padding: 0;
-  overflow: hidden;
 
   &::before {
     display: block;
@@ -19,7 +16,6 @@
   video {
     position: absolute;
     top: 0;
-    bottom: 0;
     left: 0;
     width: 100%;
     height: 100%;