fix: remove unused imports and variables

Author: jsramraj

src/components/GridSizeForm.tsx

@@ -1,7 +1,7 @@
 import { useState } from 'react';
 import type { FC } from 'react';
 import styles from './GridSizeForm.module.css';
-import { MIN_GRID_SIZE, MAX_GRID_SIZE, MIN_MAX_NUMBER, MAX_MAX_NUMBER } from '../constants';
+import { MIN_GRID_SIZE, MAX_GRID_SIZE } from '../constants';
 
 interface GridSizeFormProps {
   onSubmit: (rows: number, cols: number, maxNumber: number) => void;

src/hooks/useBingoGame.ts

@@ -82,7 +82,6 @@ export const useBingoGame = (initialRows: number, initialCols: number, initialMa
 
   const generateGrid = (rows: number, cols: number, maxNumber: number) => {
     console.log(`Generating grid with ${rows} rows, ${cols} cols, max number ${maxNumber}`);
-    const totalCells = rows * cols;
     // Create array with sequential numbers
     // const numbers = Array.from({ length: totalCells }, (_, i) => i + 1);