chore: Remove more redundant code in utils/core

superset/utils/core.py

@@ -72,7 +72,7 @@
 from sqlalchemy.engine import Connection, Engine
 from sqlalchemy.engine.reflection import Inspector
 from sqlalchemy.sql.type_api import Variant
-from sqlalchemy.types import TEXT, TypeDecorator, TypeEngine
+from sqlalchemy.types import TypeEngine
 from typing_extensions import TypeGuard
 
 from superset.constants import (