fix(vite): drop redundant rolldownOptions from ssr service env

The empty-input rolldownOptions replaced rollupOptions under rolldown-vite,
breaking the ssr service output. minifyInternalExports in rollupOptions.output
applies to both builders.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: pi0

src/build/vite/env.ts

@@ -74,13 +74,6 @@ export function createServiceEnvironment(
         ...(isDev ? {} : { external: [/^nitro(\/|$)/] }),
         output: { minifyInternalExports: false },
       },
-      ...(ctx._isRolldown
-        ? {
-            rolldownOptions: {
-              output: { minifyInternalExports: false },
-            },
-          }
-        : {}),
       minify: ctx.nitro!.options.minify,
       sourcemap: ctx.nitro!.options.sourcemap,
       outDir: join(ctx.nitro!.options.buildDir, "vite/services", name),