Fix trailing whitespace #4806

Job	Run time
KytheXrefs	0s
ClangTidy	3m 22s
KytheVerification	0s
x86_64 test	4m 3s
MacOsBuild	3m 44s
arm64 test	5m 28s
PrepareVSPlugin	5m 28s
RunBantBuildCleaner	2m 48s
x86_64 test-clang	4m 27s
arm64 test-clang	4m 45s
VerifyFormatting	32s
WindowsBuild	9m 51s
x86_64 test-nortti	4m 3s
x86_64 test-c++20	4m 49s
x86_64 test-c++23	4m 5s
x86_64 smoke-test	11m 52s
arm64 smoke-test	12m 24s
x86_64 asan	5m 47s
x86_64 asan-clang	5m 15s
x86_64 compile	4m 35s
arm64 compile	4m 32s
x86_64 compile-clang	3m 54s
arm64 compile-clang	4m 39s
x86_64 compile-static	5m 38s
arm64 compile-static	4m 32s
x86_64 compile-static-clang	3m 40s
arm64 compile-static-clang	4m 31s
x86_64 clean	8m 17s
arm64 clean	7m 26s
Build and deploy GitHub pages	9s
📦 Release	0s
	2h 24m 36s

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