message: fix: Remove unused var
diff: @@ -25,9 +25,6 @@ import { Session } from './session';
  * called by the client before an event will be sent.
  */
  export class Scope implements ScopeInterface {
  - /** Flag if notifiying is happening. */
  - protected _notifyingListeners: boolean = false;
  -
  /** Callback for client to receive scope changes. */
  protected _scopeListeners: Array<(scope: Scope) => void> = [];
  @@ -438,13 +435,9 @@ export class Scope implements ScopeInterface {
  * This will be called on every set call.
  */
  protected _notifyScopeListeners(): void {
  - if (!this._notifyingListeners) {
  - this._notifyingListeners = true;
  this._scopeListeners.forEach(callback => {
  callback(this);
  });
  - this._notifyingListeners = false;
  - }
  }
  /**
  