remove persisted context

frontend/src/hook/usePersist.js

@@ -1,16 +0,0 @@
-import { useEffect } from 'react';
-
-const DEFAULT_STATE_KEY = 'state';
-
-export const usePersistedContext = (context, key = DEFAULT_STATE_KEY) => {
-  const persistedContext = localStorage.getItem(key);
-  return persistedContext ? JSON.parse(persistedContext) : context;
-};
-
-export const usePersistedReducer = ([state, dispatch], key = DEFAULT_STATE_KEY) => {
-  useEffect(
-    () => localStorage.setItem(key, JSON.stringify(state)),
-    [key, state],
-  );
-  return [state, dispatch];
-};