fix: Disconnecting and clearing on redirect is handled from outside.

JitsiConferenceEventManager.js

     this.chatRoomForwarder.forward(XMPPEvents.REDIRECTED,
         JitsiConferenceEvents.CONFERENCE_FAILED,
         JitsiConferenceErrors.REDIRECTED);
-    chatRoom.addListener(XMPPEvents.REDIRECTED,
-        () => conference.leave().catch(e => logger.log('Error leaving on redirected', e)));
 
     this.chatRoomForwarder.forward(XMPPEvents.BRIDGE_DOWN,
         JitsiConferenceEvents.CONFERENCE_FAILED,