♻️ Remove pg_trgm creation from the db session init

The pg_trgm extension will be created during db init, by the db-updated image.

backend/backend/db/db.py

@@ -61,9 +61,6 @@ class Database:
             while not ret:
                 try:
                     async with self._async_engine.begin() as session:
-                        await session.execute(
-                            text("CREATE EXTENSION IF NOT EXISTS pg_trgm;")
-                        )
                         if clear_static_data:
                             await session.run_sync(Base.metadata.drop_all)
                             await session.run_sync(Base.metadata.create_all)