Disable class-methods-use-this lint rule

ts/test-electron/MessageReceiver_test.ts

@@ -1,9 +1,7 @@
 // Copyright 2015-2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
-/* eslint-disable
-     class-methods-use-this,
-     @typescript-eslint/no-empty-function
-     */
+
+/* eslint-disable @typescript-eslint/no-empty-function */
 
 import { assert } from 'chai';
 import { v4 as getGuid } from 'uuid';

ts/test-electron/WebsocketResources_test.ts

@@ -1,7 +1,7 @@
 // Copyright 2015-2021 Signal Messenger, LLC
 // SPDX-License-Identifier: AGPL-3.0-only
+
 /* eslint-disable
-     class-methods-use-this,
      no-new,
      @typescript-eslint/no-empty-function,
      @typescript-eslint/no-explicit-any

ts/test-electron/context/createNativeThemeListener_test.ts

@@ -21,7 +21,6 @@ class FakeIPC extends EventEmitter implements MinimalIPC {
     return this.state;
   }
 
-  // eslint-disable-next-line class-methods-use-this
   public send() {
     throw new Error(
       'This should not be called. It is only here to satisfy the interface'