Revert "C++: Accept test changes after github/codeql#21313." #3557

Job	Run time
Prepare supported CodeQL environment matrix	5s
Run Guideline Recategorization tests	19s
Run release tests	20s
Run analysis report tests (2.20.7, codeql-cli/v2.20.7, codeql-bundle-v2.20.7)	4m 21s
	5m 5s

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