remove old unused code (5y+ not used)

Author: Steve-Mcl

packages/node_modules/@node-red/nodes/core/network/10-mqtt.js

@@ -459,7 +459,7 @@ module.exports = function(RED) {
             if(!opts || typeof opts !== "object") {
                 return; //nothing to change, simply return
             }
-            const originalBrokerURL = node.brokerurl;
+            // const originalBrokerURL = node.brokerurl;
 
             //apply property changes (only if the property exists in the opts object)
             setIfHasProperty(opts, node, "url", init);
@@ -468,7 +468,7 @@ module.exports = function(RED) {
             setIfHasProperty(opts, node, "clientid", init);
             setIfHasProperty(opts, node, "autoConnect", init);
             setIfHasProperty(opts, node, "usetls", init);
-            setIfHasProperty(opts, node, "usews", init);
+            // setIfHasProperty(opts, node, "usews", init);
             setIfHasProperty(opts, node, "verifyservercert", init);
             setIfHasProperty(opts, node, "compatmode", init);
             setIfHasProperty(opts, node, "protocolVersion", init);
@@ -567,9 +567,9 @@ module.exports = function(RED) {
             if (typeof node.usetls === 'undefined') {
                 node.usetls = false;
             }
-            if (typeof node.usews === 'undefined') {
-                node.usews = false;
-            }
+            // if (typeof node.usews === 'undefined') {
+            //     node.usews = false;
+            // }
             if (typeof node.verifyservercert === 'undefined') {
                 node.verifyservercert = false;
             }