ref(SS): remove legacy SS for electron.

modules/API/external/external_api.js

@@ -1241,6 +1241,10 @@ export default class JitsiMeetExternalAPI extends EventEmitter {
      * Returns the state of availability electron share screen via external api.
      *
      * @returns {Promise}
+     *
+     * TODO: should be removed after we make sure that all Electron clients use only versions
+     * after with the legacy SS suport was removed from the electron SDK. If we remove it now the SS for Electron
+     * clients with older versions wont work.
      */
     _isNewElectronScreensharingSupported() {
         return this._transport.sendRequest({