Revert "feat(webworker-packer): serve package assets beside the preview page"

This reverts commit 6e28e787d564ee4933f7a560808fb05ed635e776.

scripts/client-build-environment.ts

@@ -38,7 +38,6 @@ const CLIENT_ARTIFACT_PATTERNS = [
   'packages/*/*/lib/client.js.map',
   'packages/*/*/lib/client.*.js',
   'packages/*/*/lib/client.*.js.map',
-  'packages/*/*/lib/assets/**/*',
 ] as const
 
 /** Public values embedded in one set of client artifacts. */