ref(ts) update RTCUtils hand-crafted types

types/hand-crafted/modules/RTC/RTC.d.ts

   setAudioMute: ( value: unknown ) => Promise<unknown>; // TODO:
   removeLocalTrack: ( track: unknown ) => void; // TODO:
   static attachMediaStream: ( elSelector: unknown, stream: unknown ) => unknown; // TODO:
-  static getStreamID: ( stream: MediaStream ) => unknown; // TODO:
-  static getTrackID: ( track: MediaStreamTrack ) => unknown; // TODO:
   static isDeviceListAvailable: () => unknown; // TODO:
   static isDeviceChangeAvailable: ( deviceType: string ) => boolean; // TODO: check if deviceType should be an enum
   static isWebRtcSupported: () => boolean;