chore: remove unused stuff on the playground

playground/src/pages/basic/index.vue

@@ -3,7 +3,6 @@ import { BasicShadowMap, NoToneMapping, SRGBColorSpace } from 'three'
 import { reactive, ref } from 'vue'
 import { TresCanvas, useRenderLoop } from '@tresjs/core'
 import { OrbitControls } from '@tresjs/cientos'
-import { userData } from 'three/examples/jsm/nodes/Nodes.js'
 
 const state = reactive({
   clearColor: '#201919',