[pivotal] Add Makefile targets for delete, delete-apply

pivotal-import/Makefile

@@ -1,8 +1,14 @@
-.PHONY : clean import import-apply initialize lint setup setup-dev test
+.PHONY : clean delete delete-apply import import-apply initialize lint setup setup-dev test
 
 clean:
 	rm -f data/states.csv data/users.csv data/shortcut_workflows.csv config.json
 
+delete:
+	pipenv run python delete_imported_entities.py
+
+delete-apply:
+	pipenv run python delete_imported_entities.py --apply
+
 import: initialize
 	pipenv run python pivotal_import.py