Remove unused KVStore

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

src/components/site-error-boundary.tsx

@@ -2,7 +2,6 @@ import React from 'react';
 import { ErrorBoundary } from 'react-error-boundary';
 import { FormattedMessage } from 'react-intl';
 
-import KVStore from 'bigbuffet/storage/kv-store';
 import sourceCode from 'bigbuffet/utils/code';
 
 interface ISiteErrorBoundary {
@@ -14,7 +13,6 @@ const SiteErrorBoundary: React.FC<ISiteErrorBoundary> = ({ children }) => {
   const clearCookies: React.MouseEventHandler = (e) => {
     localStorage.clear();
     sessionStorage.clear();
-    KVStore.clear();
   };
 
   const fallback = (

src/storage/kv-store.ts

@@ -1,27 +0,0 @@
-import localforage from 'localforage';
-
-interface IKVStore extends LocalForage {
-  getItemOrError: (key: string) => Promise<any>;
-}
-
-// localForage
-// https://localforage.github.io/localForage/#settings-api-config
-export const KVStore = localforage.createInstance({
-  name: 'soapbox',
-  description: 'Soapbox offline data store',
-  driver: localforage.INDEXEDDB,
-  storeName: 'keyvaluepairs',
-}) as IKVStore;
-
-// localForage returns 'null' when a key isn't found.
-// In the Redux action flow, we want it to fail harder.
-KVStore.getItemOrError = (key: string) =>
-  KVStore.getItem(key).then(value => {
-    if (value === null) {
-      throw new Error(`KVStore: null value for key ${key}`);
-    } else {
-      return value;
-    }
-  });
-
-export default KVStore;