Revert "fix: intermittent "utils attribute not found" issue in webpack_loader (openedx#37306)" (#314)

This reverts commit 2ec6f1e.

Author: DeimerM

xmodule/util/builtin_assets.py

@@ -5,6 +5,7 @@
 """
 from pathlib import Path
 
+import webpack_loader
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 
@@ -43,11 +44,6 @@ def add_webpack_js_to_fragment(fragment, bundle_name):
     """
     Add all JS webpack chunks to the supplied fragment.
     """
-    # Importing webpack_loader.utils at the top of the module causes an exception:
-    #   OSError: Error reading webpack-stats.json.
-    #   Are you sure webpack has generated the file and the path is correct?
-    # We are not quite sure why.
-    from webpack_loader.utils import get_files
-    for chunk in get_files(bundle_name, None, 'DEFAULT'):
+    for chunk in webpack_loader.utils.get_files(bundle_name, None, 'DEFAULT'):
         if chunk['name'].endswith(('.js', '.js.gz')):
             fragment.add_javascript_url(chunk['url'])