fix: rm unused 'allow_lti' attribute

Author: kdmccormick

openedx/core/djangoapps/content_libraries/api/libraries.py

@@ -139,7 +139,6 @@ class ContentLibraryMetadata:
     # has_unpublished_deletes will be true when the draft version of the library's bundle
     # contains deletes of any XBlocks that were in the most recently published version
     has_unpublished_deletes: bool = False
-    allow_lti: bool = False
     # Allow any user (even unregistered users) to view and interact directly
     # with this library's content in the LMS
     allow_public_learning: bool = False
@@ -404,7 +403,6 @@ def get_library(library_key: LibraryLocatorV2) -> ContentLibraryMetadata:
         published_by=published_by,
         last_draft_created=last_draft_created,
         last_draft_created_by=last_draft_created_by,
-        allow_lti=ref.allow_lti,
         allow_public_learning=ref.allow_public_learning,
         allow_public_read=ref.allow_public_read,
         has_unpublished_changes=has_unpublished_changes,

openedx/core/djangoapps/content_libraries/rest_api/serializers.py

@@ -48,7 +48,6 @@ class ContentLibraryMetadataSerializer(serializers.Serializer):
     published_by = serializers.CharField(read_only=True)
     last_draft_created = serializers.DateTimeField(format=DATETIME_FORMAT, read_only=True)
     last_draft_created_by = serializers.CharField(read_only=True)
-    allow_lti = serializers.BooleanField(default=False, read_only=True)
     allow_public_learning = serializers.BooleanField(default=False)
     allow_public_read = serializers.BooleanField(default=False)
     has_unpublished_changes = serializers.BooleanField(read_only=True)