revert: "feat: prompt to link when pasting from library (WIP)"

This reverts commit e5fb626.

Author: kdmccormick

cms/djangoapps/contentstore/helpers.py

@@ -23,7 +23,6 @@
 
 from cms.djangoapps.models.settings.course_grading import CourseGradingModel
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
-from openedx.core.djangoapps.content_libraries.sync import is_valid_upstream
 import openedx.core.djangoapps.content_staging.api as content_staging_api
 import openedx.core.djangoapps.content_tagging.api as content_tagging_api
 
@@ -294,6 +293,7 @@ def import_staged_content_from_user_clipboard(parent_key: UsageKey, request) ->
         staged_content_id=user_clipboard.content.id,
         static_files=static_files,
     )
+
     return new_xblock, notices
 
 
@@ -375,12 +375,6 @@ def _import_xml_node_to_parent(
     if copied_from_block:
         # Store a reference to where this block was copied from, in the 'copied_from_block' field (AuthoringMixin)
         temp_xblock.copied_from_block = copied_from_block
-        copied_from_key = UsageKey.from_string(copied_from_block)
-        if is_valid_upstream(copied_from_key):
-            upstream_link_requested = lambda: True  # @@TODO ask user
-            if upstream_link_requested():
-                temp_xblock.assign_upstream(copied_from_key, user_id)
-
     # Save the XBlock into modulestore. We need to save the block and its parent for this to work:
     new_xblock = store.update_item(temp_xblock, user_id, allow_not_found=True)
     parent_xblock.children.append(new_xblock.location)