decrypt/encrypt with libsignal-client, remove libsignal-protocol-javascript

libtextsecure/protocol_wrapper.js

@@ -1,7 +1,7 @@
 // Copyright 2016-2020 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
 
-/* global window, textsecure, SignalProtocolStore, libsignal */
+/* global window, textsecure, SignalProtocolStore */
 
 // eslint-disable-next-line func-names
 (function () {
@@ -9,8 +9,4 @@
   window.textsecure.storage = window.textsecure.storage || {};
 
   textsecure.storage.protocol = new SignalProtocolStore();
-
-  textsecure.ProvisioningCipher = libsignal.ProvisioningCipher;
-  textsecure.startWorker = libsignal.worker.startWorker;
-  textsecure.stopWorker = libsignal.worker.stopWorker;
 })();