Remove Promotion Fund workspace #386

Job	Run time
clippy	1m 49s
fmt	5s
build	5m 24s
tests (coverage-map)	1m 48s
tests (ingest)	2m 27s
tests (coverage-point-calculator)	1m 24s
tests (reward-scheduler)	49s
tests (task-manager)	1m 18s
tests-postgres (boost-manager)	3m 11s
tests-postgres (file-store)	2m 11s
tests-postgres (iot-config)	2m 51s
tests-postgres (iot-packet-verifier)	4m 11s
tests-postgres (iot-verifier)	2m 38s
tests-postgres (mobile-config)	2m 36s
tests-postgres (mobile-packet-verifier)	3m 6s
tests-postgres (mobile-verifier)	2m 42s
build-release	0s
	38m 30s

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