Fix syntax error - remove duplicate code at end of migration script

scripts/migrate_csv_to_db.py

@@ -27,17 +27,17 @@ import requests
 
 from backend.config import settings
 from backend.models import (
+    RESULT_FIELD_MAPPING,
+    SCHOOL_FIELD_MAPPING,
     School,
     SchoolResult,
-    SCHOOL_FIELD_MAPPING,
-    RESULT_FIELD_MAPPING,
 )
 from backend.schemas import (
     COLUMN_MAPPINGS,
+    LA_CODE_TO_NAME,
+    NULL_VALUES,
     NUMERIC_COLUMNS,
     SCHOOL_TYPE_MAP,
-    NULL_VALUES,
-    LA_CODE_TO_NAME,
 )
 
 
@@ -438,10 +438,4 @@ def main():
 
 
 if __name__ == "__main__":
-    migrate_data(df, geocode=args.geocode)
-
-    return 0
-
-
-if __name__ == '__main__':
     sys.exit(main())