[REM] not needed from farmer demo

Author: emjay0921

spp_base_farmer_registry_demo/models/__init__.py

@@ -5,6 +5,5 @@
 from . import farm_asset
 from . import farm_details
 from . import farmer
-from . import generate_farmer_data
 from . import generate_demo_data
 from . import land_record