Method unregister

src/server/web/public/terminal.js:3512–3515

(e3)

            return this._disposables.push(e3), e3;
          }
          unregister(e3) {
            const t3 = this._disposables.indexOf(e3);
            -1 !== t3 && this._disposables.splice(t3, 1);
          }
        }, t2.MutableDisposable = class {
          constructor() {
            this._isDisposed = false;