Fix req tutorial landmark not being cleaned up #25962

Job	Run time
Lint with OpenDream	26s
Compile Maps	46s
Find Maps to Test	8s
Run Linters	4m 21s
Windows Build	3m 32s
Alternate Tests	0s
Check Alternate Tests	0s
Unit Tests (almayer) / run_unit_tests	2m 58s
Unit Tests (bigredv2) / run_unit_tests	3m 0s
Unit Tests (chinook) / run_unit_tests	3m 2s
Unit Tests (corsat) / run_unit_tests	2m 55s
Unit Tests (desert_dam) / run_unit_tests	2m 55s
Unit Tests (fiorina_sciannex) / run_unit_tests	3m 28s
Unit Tests (ice_colony_v2) / run_unit_tests	3m 0s
Unit Tests (kutjevo) / run_unit_tests	2m 49s
Unit Tests (lv522_chances_claim) / run_unit_tests	2m 55s
Unit Tests (lv624) / run_unit_tests	2m 59s
Unit Tests (new_varadero) / run_unit_tests	2m 57s
Unit Tests (prison_station_fop) / run_unit_tests	2m 48s
Unit Tests (runtime) / run_unit_tests	2m 42s
Unit Tests (shivas_snowball) / run_unit_tests	2m 56s
Unit Tests (sorokyne_strata) / run_unit_tests	2m 51s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	2m 46s
	56m 14s

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