[MIRROR] Removes unused tgui_id var #4824

Job	Run time
Collect data for other tasks	16s
Run Linters	2m 47s
Windows Build	1m 56s
Compile Maps	3m 16s
Integration Tests (birdshot) / run_integration_tests	11m 0s
Integration Tests (blueshift) / run_integration_tests	12m 8s
Integration Tests (deltastation) / run_integration_tests	10m 54s
Integration Tests (gateway_test) / run_integration_tests	12m 23s
Integration Tests (kilostation2) / run_integration_tests	11m 23s
Integration Tests (icebox) / run_integration_tests	11m 46s
Integration Tests (metastation) / run_integration_tests	10m 54s
Integration Tests (multiz_debug) / run_integration_tests	10m 34s
Integration Tests (northstar) / run_integration_tests	12m 4s
Integration Tests (nssjourney) / run_integration_tests	10m 57s
Integration Tests (runtimestation) / run_integration_tests	10m 0s
Integration Tests (tramstation) / run_integration_tests	11m 33s
Integration Tests (voidraptor) / run_integration_tests	11m 27s
Alternate Tests (515, 1621, runtimestation) / run_integration_tests	11m 24s
Check Alternate Tests	1s
Compare Screenshot Tests	44s
	2h 47m 27s

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