Remove all migrations for now

backend/app/providers/db_provider.py

@@ -83,12 +83,3 @@ def create_db_and_tables():
     SQLModel.metadata.create_all(engine)
     _seed_db()
 
-def startup_migrations():
-    print("Running Alembic migrations...")
-
-    backend_path = os.path.dirname(os.path.abspath(__file__)) + "/../.."
-    try:
-        subprocess.run(["alembic", "upgrade", "head"], check=True, cwd=backend_path)
-        print("Migrations applied successfully!")
-    except subprocess.CalledProcessError as e:
-        print(f"Error applying migrations: {e}")