[MIRROR] Remove duplicate misc machinery from birdshot and northstar #1417

Job	Run time
Run Linters	2m 43s
Collect data for other tasks	17s
Windows Build	3m 37s
Compile Maps	4m 10s
Integration Tests (blueshift) / run_integration_tests	15m 40s
Integration Tests (birdshot) / run_integration_tests	10m 45s
Integration Tests (deltastation) / run_integration_tests	16m 24s
Integration Tests (gateway_test) / run_integration_tests	12m 54s
Integration Tests (icebox) / run_integration_tests	17m 38s
Integration Tests (kilostation2) / run_integration_tests	15m 52s
Integration Tests (metastation) / run_integration_tests	14m 5s
Integration Tests (multiz_debug) / run_integration_tests	13m 21s
Integration Tests (northstar) / run_integration_tests	11m 29s
Integration Tests (nssjourney) / run_integration_tests	11m 13s
Integration Tests (runtimestation) / run_integration_tests	10m 13s
Integration Tests (tramstation) / run_integration_tests	11m 57s
Integration Tests (voidraptor) / run_integration_tests	11m 36s
Alternate Tests (515, 1603, runtimestation) / run_integration_tests	9m 21s
Check Alternate Tests	2s
Compare Screenshot Tests	49s
	3h 14m 6s

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