Remove unused code

src/utils/Accessibility.js

@@ -1,28 +0,0 @@
-/*
-Copyright 2019 The Matrix.org Foundation C.I.C.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-/**
- * Automatically focuses the captured reference when receiving a non-null
- * object. Useful in scenarios where componentDidMount does not have a
- * useful reference to an element, but one needs to focus the element on
- * first render. Example usage: ref={focusCapturedRef}
- * @param {function} ref The React reference to focus on, if not null
- */
-export function focusCapturedRef(ref) {
-    if (ref) {
-        ref.focus();
-    }
-}