Cleanup role selection for various game modes #22705

Job	Run time
Lint with OpenDream	30s
Compile Maps	1m 6s
Run Linters	2m 40s
Find Maps to Test	9s
Windows Build	2m 19s
Unit Tests (almayer) / run_unit_tests	3m 17s
Unit Tests (bigredv2) / run_unit_tests	3m 3s
Unit Tests (chinook) / run_unit_tests	3m 19s
Unit Tests (corsat) / run_unit_tests	3m 23s
Unit Tests (desert_dam) / run_unit_tests	3m 5s
Unit Tests (fiorina_sciannex) / run_unit_tests	4m 0s
Unit Tests (ice_colony_v2) / run_unit_tests	3m 28s
Unit Tests (lv522_chances_claim) / run_unit_tests	3m 4s
Unit Tests (kutjevo) / run_unit_tests	3m 12s
Unit Tests (lv624) / run_unit_tests	3m 33s
Unit Tests (new_varadero) / run_unit_tests	4m 41s
Unit Tests (prison_station_fop) / run_unit_tests	3m 4s
Unit Tests (runtime) / run_unit_tests	3m 0s
Unit Tests (shivas_snowball) / run_unit_tests	3m 17s
Unit Tests (sorokyne_strata) / run_unit_tests	3m 28s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	3m 12s
Alternate Tests (515, 1630, lv624) / run_unit_tests	2m 54s
Check Alternate Tests	1s
	1h 3m 45s

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