Removed mui import statements from BarGraph.tsx.

Co-authored-by: Chris LeBrett <[email protected]>
Co-authored-by: Robby Tipton <[email protected]>
Co-authored-by: Joseph Park <[email protected]>
Co-authored-by: David Kim <[email protected]>
Co-authored-by: Kevin HoEun Lee <[email protected]>

Author: RobbyTipton

src/app/components/BarGraph.tsx

@@ -1,6 +1,5 @@
 // @ts-nocheck
 import React, { useEffect, useState } from 'react';
-import { FormControl, InputLabel, Select, MenuItem } from '@mui/material';
 import { BarStack } from '@visx/shape';
 import { SeriesPoint } from '@visx/shape/lib/types';
 import { Group } from '@visx/group';