Smallish cleanups here and there. #4802

Job	Run time
KytheXrefs	0s
ClangTidy	2m 50s
KytheVerification	0s
x86_64 test	3m 40s
PrepareVSPlugin	2m 12s
MacOsBuild	3m 36s
arm64 test	4m 11s
RunBantBuildCleaner	3m 12s
x86_64 test-clang	3m 31s
VerifyFormatting	26s
arm64 test-clang	4m 2s
WindowsBuild	12m 33s
x86_64 test-nortti	3m 33s
x86_64 test-c++20	3m 25s
x86_64 test-c++23	3m 24s
x86_64 smoke-test	11m 21s
arm64 smoke-test	12m 13s
x86_64 asan	5m 4s
x86_64 asan-clang	4m 32s
x86_64 compile	3m 32s
arm64 compile	3m 43s
x86_64 compile-clang	3m 11s
arm64 compile-clang	3m 52s
x86_64 compile-static	3m 21s
arm64 compile-static	3m 54s
x86_64 compile-static-clang	3m 0s
arm64 compile-static-clang	3m 47s
x86_64 clean	7m 17s
arm64 clean	7m 11s
Build and deploy GitHub pages	8s
📦 Release	0s
	2h 6m 41s

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