fix: css 적용 진행

src/views/biz/pboard/PublicBoard.jsx

@@ -1,5 +1,5 @@
-import { useCallback, useEffect, useState } from 'react';
-import { useMutation, useQuery, useQueryClient } from 'react-query';
+import { useState } from 'react';
+import { useQuery } from 'react-query';
 
 // material-ui
 import { Button, Grid, Link } from '@mui/material';
@@ -23,7 +23,6 @@ import { removeAlert, saveAlert } from '../../../commons/XitCmm';
 
 const PublicBoard = () => {
   const { user } = useAuth();
-  const queryClient = useQueryClient();
   const [owner, setOwner] = useState();
   const [totalCount, setTotalCount] = useState(0);
   const [rowsState, setRowsState] = useState({