fed(UI): remove UI.setAudioMuted

conference.js

         // so that the user can try unmute later on and add audio/video
         // to the conference
         if (!tracks.find(t => t.isAudioTrack())) {
-            this.setAudioMuteStatus(true);
+            this.updateAudioIconEnabled();
         }
 
         if (!tracks.find(t => t.isVideoTrack())) {
             // This will only modify base/media.audio.muted which is then synced
             // up with the track at the end of local tracks initialization.
             muteLocalAudio(mute);
-            this.setAudioMuteStatus(mute);
+            this.updateAudioIconEnabled();
 
             return;
         } else if (this.isLocalAudioMuted() === mute) {
                 APP.store.dispatch(
                 replaceLocalTrack(oldTrack, newTrack, room))
                     .then(() => {
-                        this.setAudioMuteStatus(this.isLocalAudioMuted());
+                        this.updateAudioIconEnabled();
                     })
                     .then(resolve)
                     .catch(reject)
         APP.UI.setVideoMuted(this.getMyUserId());
     },
 
-    /**
-     * Sets the audio muted status.
-     *
-     * @param {boolean} muted - New muted status.
-     */
-    setAudioMuteStatus(muted) {
-        APP.UI.setAudioMuted(this.getMyUserId(), muted);
-    },
-
     /**
      * Dispatches the passed in feedback for submission. The submitted score
      * should be a number inclusively between 1 through 5, or -1 for no score.

modules/UI/UI.js

     APP.store.dispatch(setFilmstripVisible(!visible));
 };
 
-/**
- * Sets muted audio state for participant
- */
-UI.setAudioMuted = function(id) {
-    // FIXME: Maybe this can be removed!
-    if (APP.conference.isLocalId(id)) {
-        APP.conference.updateAudioIconEnabled();
-    }
-};
-
 /**
  * Sets muted video state for participant
  */

react/features/base/tracks/middleware.web.ts

         } else if (isVideoTrack) {
             APP.conference.setVideoMuteStatus();
         } else {
-            APP.conference.setAudioMuteStatus(!muted);
+            APP.conference.updateAudioIconEnabled();
         }
 
         break;
         }
 
         const { jitsiTrack } = action.track;
-        const muted = jitsiTrack.isMuted();
         const participantID = jitsiTrack.getParticipantId();
         const isVideoTrack = jitsiTrack.type !== MEDIA_TYPE.AUDIO;
 
                 APP.UI.setVideoMuted(participantID);
             }
         } else if (jitsiTrack.isLocal()) {
-            APP.conference.setAudioMuteStatus(muted);
-        } else {
-            APP.UI.setAudioMuted(participantID, muted);
+            APP.conference.updateAudioIconEnabled();
         }
 
         return result;