[MIRROR] Fixes needless DM_VERSION check in Poly code #2348

Job	Run time
Run Linters	3m 58s
Collect data for other tasks	14s
Check Alternate Tests	0s
Compile Maps	3m 4s
Windows Build	2m 10s
Integration Tests (birdshot) / run_integration_tests	11m 4s
Integration Tests (blueshift) / run_integration_tests	11m 53s
Integration Tests (deltastation) / run_integration_tests	11m 22s
Integration Tests (gateway_test) / run_integration_tests	12m 44s
Integration Tests (icebox) / run_integration_tests	12m 6s
Integration Tests (kilostation2) / run_integration_tests	11m 13s
Integration Tests (metastation) / run_integration_tests	11m 30s
Integration Tests (multiz_debug) / run_integration_tests	10m 46s
Integration Tests (northstar) / run_integration_tests	12m 31s
Integration Tests (nssjourney) / run_integration_tests	10m 56s
Integration Tests (runtimestation) / run_integration_tests	10m 16s
Integration Tests (tramstation) / run_integration_tests	11m 32s
Integration Tests (voidraptor) / run_integration_tests	11m 38s
Compare Screenshot Tests	1m 43s
	2h 40m 40s

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