refactor: remove @rollup/pluginutils dependency (#469)

Author: bluwy

.changeset/ninety-pans-wave.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/vite-plugin-svelte': patch
+---
+
+Remove `@rollup/pluginutils` dependency

packages/vite-plugin-svelte/package.json

@@ -46,7 +46,6 @@
   },
   "homepage": "https://github.com/sveltejs/vite-plugin-svelte#readme",
   "dependencies": {
-    "@rollup/pluginutils": "^4.2.1",
     "debug": "^4.3.4",
     "deepmerge": "^4.2.2",
     "kleur": "^4.1.5",

packages/vite-plugin-svelte/src/utils/id.ts

@@ -1,5 +1,5 @@
 /* eslint-disable no-unused-vars */
-import { createFilter } from '@rollup/pluginutils';
+import { createFilter } from 'vite';
 import { Arrayable, ResolvedOptions } from './options';
 import { normalizePath } from 'vite';
 import * as fs from 'fs';