message: docs: fixed showing type in docs of Subscription
  * docs: fixed showing type in docs of Subscription
  * refactor: remove unnecessary type information
  In part just to kick off CI. But also, because it's more correctererer.
diff: @@ -25,9 +25,8 @@ export class Subscription implements SubscriptionLike {
  /**
  * A flag to indicate whether this Subscription has already been unsubscribed.
  - * @type {boolean}
  */
  - public closed: boolean = false;
  + public closed = false;
  /** @internal */
  protected _parentOrParents: Subscription | Subscription[] | null = null;
  