Revert "attempt to fix e2e"

This reverts commit b7b7b05d85.

packages/backend/vitest.config.ts

@@ -4,11 +4,7 @@ import { defineConfig } from 'vitest/config';
 
 export const baseConfig = defineConfig({
 	plugins: [
-		// swcがbuilt内容をトランスパイルすると不具合を起こすため、built配下は除外する
-		swc.vite({
-			include: [/\.[cm]?tsx?$/],
-			exclude: ['/node_modules/', '/\/built\//', '/\/built-test\//'],
-		}),
+		swc.vite(),
 	],
 	test: {
 		exclude: ['node_modules', 'dist'],