Remove unused localstorage hook

src/components/views/rooms/wysiwyg_composer/useLocalStorage.ts

@@ -1,33 +0,0 @@
-/*
-Copyright 2022 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.
-*/
-
-import { IEventRelation, Room } from "matrix-js-sdk/src/matrix";
-import { THREAD_RELATION_TYPE } from "matrix-js-sdk/src/models/thread";
-import { useCallback, useMemo } from "react";
-
-export function useWysiwygStoredState(room: Room, relation: IEventRelation) {
-    const editorStateKey = useMemo(() => {
-        let key = `mx_cider_state_${room.roomId}`;
-        if (relation?.rel_type === THREAD_RELATION_TYPE.name) {
-            key += `_${relation.event_id}`;
-        }
-        return key;
-    }, [room, relation]);
-
-    const clearStoredEditorState = useCallback(() => localStorage.removeItem(editorStateKey), [editorStateKey]);
-
-    return { clearStoredEditorState };
-}