fix(config): Remove enableLipSync config.

It is not supported by Jicofo anymore.

config.js

@@ -1296,9 +1296,6 @@ var config = {
     // If set to true all muting operations of remote participants will be disabled.
     // disableRemoteMute: true,
 
-    // Enables support for lip-sync for this client (if the browser supports it).
-    // enableLipSync: false,
-
     /**
      External API url used to receive branding specific information.
      If there is no url set or there are missing fields, the defaults are applied.

react/features/base/config/configType.ts

@@ -362,7 +362,6 @@ export interface IConfig {
     enableForcedReload?: boolean;
     enableIceRestart?: boolean;
     enableInsecureRoomNameWarning?: boolean;
-    enableLipSync?: boolean;
     enableLobbyChat?: boolean;
     enableNoAudioDetection?: boolean;
     enableNoisyMicDetection?: boolean;

react/features/base/config/configWhitelist.ts

@@ -138,7 +138,6 @@ export default [
     'enableEncodedTransformSupport',
     'enableIceRestart',
     'enableInsecureRoomNameWarning',
-    'enableLipSync',
     'enableLobbyChat',
     'enableOpusRed',
     'enableRemb',