Remove unused columns

core/model/collection.py

@@ -8,7 +8,6 @@
     ForeignKey,
     Integer,
     Table,
-    Unicode,
     UniqueConstraint,
     exists,
     select,
@@ -48,26 +47,8 @@ class Collection(Base, HasSessionCache):
     __tablename__ = "collections"
     id = Column(Integer, primary_key=True, nullable=False)
 
-    # TODO: This should no longer be used. And will be removed in the next release.
-    #  Collections store their configurations in integration configurations now.
-    #  This is only left here in case there needs to be a rollback to the current
-    #  release.
-    _name_deprecated = Column("name", Unicode)
-
     DATA_SOURCE_NAME_SETTING = "data_source"
 
-    # TODO: This should no longer be used. And will be removed in the next release.
-    #  Collections store their configurations in integration configurations now.
-    #  This is only left here in case there needs to be a rollback to the current
-    #  release.
-    _external_account_id_deprecated = Column("external_account_id", Unicode)
-
-    # TODO: This should no longer be used. And will be removed in the next release.
-    #  Collections store their configurations in integration configurations now.
-    #  This is only left here in case there needs to be a rollback to the current
-    #  release.
-    _external_integration_id_deprecated = Column("external_integration_id", Integer)
-
     # How do we connect to the provider of this collection? Any url,
     # authentication information, or additional configuration goes
     # into the external integration, as does the 'protocol', which
@@ -624,22 +605,6 @@ def delete(self, search_index: ExternalSearchIndex | None = None) -> None:
         _db.commit()
 
 
-# TODO: This should no longer be used. And will be removed in the next release.
-#  Collections store their configurations in integration configurations now.
-#  This is only left here in case there needs to be a rollback to the current
-#  release.
-_collections_libraries_deprecated: Table = Table(
-    "collections_libraries",
-    Base.metadata,
-    Column(
-        "collection_id",
-        Integer,
-    ),
-    Column("library_id", Integer),
-    UniqueConstraint("collection_id", "library_id"),
-)
-
-
 collections_identifiers: Table = Table(
     "collections_identifiers",
     Base.metadata,