addressed the pr chagnes tanquery and deleted migrate files

Author: dehydrated-bear

backend/app/database/images.py

@@ -107,74 +107,6 @@ def db_create_images_table() -> None:
     conn.close()
 
 
-def db_migrate_add_memories_columns() -> None:
-    """
-    Add Memories feature columns to existing images table if they don't exist.
-    This function handles backward compatibility for existing databases.
-    """
-    conn = _connect()
-    cursor = conn.cursor()
-
-    try:
-        # Check if images table exists
-        cursor.execute(
-            "SELECT name FROM sqlite_master WHERE type='table' AND name='images'"
-        )
-        if not cursor.fetchone():
-            logger.info(
-                "Images table does not exist yet, will be created by db_create_images_table()"
-            )
-            conn.close()
-            return
-
-        # Get existing columns
-        cursor.execute("PRAGMA table_info(images)")
-        columns = {row[1] for row in cursor.fetchall()}
-
-        # Add missing columns
-        changes_made = False
-
-        if "latitude" not in columns:
-            cursor.execute("ALTER TABLE images ADD COLUMN latitude REAL")
-            logger.info("Added column: latitude")
-            changes_made = True
-
-        if "longitude" not in columns:
-            cursor.execute("ALTER TABLE images ADD COLUMN longitude REAL")
-            logger.info("Added column: longitude")
-            changes_made = True
-
-        if "captured_at" not in columns:
-            cursor.execute("ALTER TABLE images ADD COLUMN captured_at DATETIME")
-            logger.info("Added column: captured_at")
-            changes_made = True
-
-        # Create indexes
-        cursor.execute(
-            "CREATE INDEX IF NOT EXISTS ix_images_latitude ON images(latitude)"
-        )
-        cursor.execute(
-            "CREATE INDEX IF NOT EXISTS ix_images_longitude ON images(longitude)"
-        )
-        cursor.execute(
-            "CREATE INDEX IF NOT EXISTS ix_images_captured_at ON images(captured_at)"
-        )
-        cursor.execute(
-            "CREATE INDEX IF NOT EXISTS ix_images_favourite_captured_at ON images(isFavourite, captured_at)"
-        )
-
-        if changes_made:
-            logger.info("Memories feature columns migration completed")
-
-        conn.commit()
-
-    except Exception as e:
-        logger.error(f"Error during Memories columns migration: {e}")
-        conn.rollback()
-    finally:
-        conn.close()
-
-
 def db_bulk_insert_images(image_records: List[ImageRecord]) -> bool:
     """Insert multiple image records in a single transaction."""
     if not image_records: