Remove unused imports

src/store/index.js

@@ -1,5 +1,4 @@
-import React, { useEffect, useState } from 'react'
-import { createStore, makeReducerFn } from 'potent-reducer'
+import { createStore } from 'potent-reducer'
 import {
   safeSelectNextWord,
   safeSelectNextSentence,