Removes unnecessary history.pushState if the welcome page is disabled and the user enter the base URL

app.js

 
 import UIEvents from './service/UI/UIEvents';
 
-/**
- * Tries to push history state with the following parameters:
- * 'VideoChat', `Room: ${roomName}`, URL. If fail, prints the error and returns
- * it.
- */
-function pushHistoryState(roomName, URL) {
-    try {
-        window.history.pushState(
-            'VideoChat', `Room: ${roomName}`, URL
-        );
-    } catch (e) {
-        console.warn("Push history state failed with parameters:",
-            'VideoChat', `Room: ${roomName}`, URL, e);
-        return e;
-    }
-    return null;
-}
-
 /**
  * Builds and returns the room name.
  */
     if(!roomName) {
         let word = RoomnameGenerator.generateRoomWithoutSeparator();
         roomName = word.toLowerCase();
-        let historyURL = window.location.pathname + word;
-        //Trying to push state with URL "/" + roomName
-        var err = pushHistoryState(word, historyURL);
-        //If URL "/" + roomName is not good, trying with explicitly adding the
-        //domain name.
-        if(err && config.hosts.domain) {
-            pushHistoryState(word, "//" + config.hosts.domain + historyURL);
-        }
     }
 
     return roomName;