Revert "Use code on the Hub from another repo" (#22813)

Revert "Use code on the Hub from another repo (#22698)"

This reverts commit ea7b0a539a.

src/transformers/pipelines/__init__.py

@@ -727,8 +727,9 @@ def pipeline(
                     " set the option `trust_remote_code=True` to remove this error."
                 )
             class_ref = targeted_task["impl"]
+            module_file, class_name = class_ref.split(".")
             pipeline_class = get_class_from_dynamic_module(
-                class_ref, model, revision=revision, use_auth_token=use_auth_token
+                model, module_file + ".py", class_name, revision=revision, use_auth_token=use_auth_token
             )
     else:
         normalized_task, targeted_task, task_options = check_task(task)