feat: remove unused imports from optimized marching cubes field component

Author: alightinastorm

src/features/viewport/components/metaball-surface/optimized-marchingcubes-field.tsx

@@ -2,8 +2,6 @@
 
 import React, { useEffect, useRef, useMemo } from 'react';
 import * as THREE from 'three';
-import { useFrame } from '@react-three/fiber';
-// @ts-ignore examples path
 import { MarchingCubes } from 'three/examples/jsm/objects/MarchingCubes.js';
 
 interface CPUBlob {