ref(strophe): Remove and cleanup all strophe related code.

Everything strophe related is now handled in lib-jitsi-meet project.

react/features/base/lib-jitsi-meet/_.native.js

@@ -1,7 +1,6 @@
 import './native';
 
-// The library lib-jitsi-meet (externally) depends on the libraries jQuery and
-// Strophe
+// The library lib-jitsi-meet (externally) depends on the libraries jQuery
 (global => {
     // jQuery
     if (typeof global.$ === 'undefined') {
@@ -10,13 +9,6 @@ import './native';
         jQuery(global);
         global.$ = jQuery;
     }
-
-    // Strophe
-    if (typeof global.Strophe === 'undefined') {
-        require('strophe');
-        require('strophejs-plugins/disco/strophe.disco');
-        require('strophejs-plugins/caps/strophe.caps.jsonly');
-    }
 })(global || window || this); // eslint-disable-line no-invalid-this
 
 // Re-export JitsiMeetJS from the library lib-jitsi-meet to (the other features

react/features/base/lib-jitsi-meet/native/polyfills-browser.js

@@ -143,24 +143,10 @@ function _visitNode(node, callback) {
             document.cookie = '';
         }
 
-        // Document.querySelector
-        //
-        // Required by:
-        // - strophejs-plugins/caps/strophe.caps.jsonly.js
-        const documentPrototype = Object.getPrototypeOf(document);
-
-        if (documentPrototype) {
-            if (typeof documentPrototype.querySelector === 'undefined') {
-                documentPrototype.querySelector = function(selectors) {
-                    return _querySelector(this.elementNode, selectors);
-                };
-            }
-        }
-
         // Element.querySelector
         //
         // Required by:
-        // - strophejs-plugins/caps/strophe.caps.jsonly.js
+        // - lib-jitsi-meet/modules/xmpp
         const elementPrototype
             = Object.getPrototypeOf(document.documentElement);
 
@@ -212,6 +198,7 @@ function _visitNode(node, callback) {
         // FIXME There is a weird infinite loop related to console.log and
         // Document and/or Element at the time of this writing. Work around it
         // by patching Node and/or overriding console.log.
+        const documentPrototype = Object.getPrototypeOf(document);
         const nodePrototype
             = _getCommonPrototype(documentPrototype, elementPrototype);
 

react/features/base/participants/functions.js

@@ -1,4 +1,5 @@
 // @flow
+import md5 from 'js-md5';
 
 import { toState } from '../redux';
 
@@ -6,7 +7,6 @@ import { DEFAULT_AVATAR_RELATIVE_PATH } from './constants';
 
 declare var config: Object;
 declare var interfaceConfig: Object;
-declare var MD5: Object;
 
 /**
  * Returns the URL of the image for the avatar of a specific participant.
@@ -71,7 +71,7 @@ export function getAvatarURL({ avatarID, avatarURL, email, id }: {
         }
     }
 
-    return urlPrefix + MD5.hexdigest(key.trim().toLowerCase()) + urlSuffix;
+    return urlPrefix + md5.hex(key.trim().toLowerCase()) + urlSuffix;
 }
 
 /**