Remove Promotion Fund workspace (#875) #391

Job	Run time
clippy	1m 45s
fmt	6s
build	4m 57s
tests (coverage-map)	1m 23s
tests (coverage-point-calculator)	1m 21s
tests (ingest)	1m 48s
tests (reward-scheduler)	49s
tests (task-manager)	53s
tests-postgres (file-store)	2m 11s
tests-postgres (boost-manager)	3m 20s
tests-postgres (iot-config)	2m 26s
tests-postgres (iot-packet-verifier)	3m 48s
tests-postgres (iot-verifier)	2m 37s
tests-postgres (mobile-packet-verifier)	3m 2s
tests-postgres (mobile-config)	2m 24s
tests-postgres (mobile-verifier)	3m 15s
build-release	0s
	36m 5s

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