fix(legacy): use remove conditions for normal Vite

Author: sapphi-red

packages/plugin-legacy/src/index.ts

@@ -3,7 +3,6 @@ import crypto from 'node:crypto'
 import { createRequire } from 'node:module'
 import { fileURLToPath } from 'node:url'
 import { build, normalizePath } from 'vite'
-import * as vite from 'vite'
 import MagicString from 'magic-string'
 import type {
   BuildOptions,
@@ -143,13 +142,6 @@ const outputOptionsForLegacyChunks =
   new WeakSet<Rollup.NormalizedOutputOptions>()
 
 function viteLegacyPlugin(options: Options = {}): Plugin[] {
-  if ('rolldownVersion' in vite) {
-    const { default: viteLegacyPluginForRolldownVite } = _require(
-      '#legacy-for-rolldown-vite',
-    )
-    return viteLegacyPluginForRolldownVite(options)
-  }
-
   let config: ResolvedConfig
   let targets: Options['targets']
   const modernTargets: Options['modernTargets'] =