Remove unused var

src/components/TextOutput.js

@@ -6,7 +6,6 @@ import { getNextSmallerNumber } from '../lib/array-util.js'
 import {
   selectParsedText,
   selectCurrentSegmentIndex,
-  selectDisplayMode,
   selectSegmentWindow
 } from '../store/selectors.js'
 
@@ -16,7 +15,6 @@ export const TextOutput = () => {
   const { segments, offset } = useSelector(selectSegmentWindow)
   const { sentences, words } = useSelector(selectParsedText)
   const curSegment = useSelector(selectCurrentSegmentIndex)
-  const mode = useSelector(selectDisplayMode)
   return (
     <>
       <div>