Remove unsed files

public/app/core/history/RichHistoryRemoteStorage.ts

@@ -1,18 +0,0 @@
-import { RichHistoryQuery } from 'app/types';
-import RichHistoryStorage from './RichHistoryStorage';
-
-/**
- * Object responsible for storing rich history to remote storage. To be implemented for Rich History migration to backend.
- */
-export default class RichHistoryRemoteStorage implements RichHistoryStorage {
-  async getRichHistory() {
-    return [];
-  }
-  async addToRichHistory(richHistoryQuery: RichHistoryQuery) {
-    return undefined;
-  }
-  async deleteAll() {}
-  async deleteRichHistory(id: number) {}
-  async updateComment(id: number, comment: string | undefined) {}
-  async updateStarred(id: number, starred: boolean) {}
-}

public/app/core/history/richHistoryStorageProvider.ts

@@ -1,13 +1,8 @@
 import RichHistoryLocalStorage from './RichHistoryLocalStorage';
-import RichHistoryRemoteStorage from './RichHistoryRemoteStorage';
 import RichHistoryStorage from './RichHistoryStorage';
 
 const richHistoryLocalStorage = new RichHistoryLocalStorage();
 
-// To be implemented and switched with a feature flag.
-// @ts-ignore
-const richHistoryRemoteStorage = new RichHistoryRemoteStorage();
-
 export const getRichHistoryStorage = (): RichHistoryStorage => {
   return richHistoryLocalStorage;
 };