Always use included script for installing. #4762

Job	Run time
RunBantBuildCleaner	3m 19s
VerifyFormatting	25s
ClangTidy	19m 41s
KytheVerification	0s
MacOsBuildDevTools	6m 19s
x86_64 test	14m 7s
arm64 test	12m 13s
KytheXrefs	0s
x86_64 test-clang	14m 19s
arm64 test-clang	13m 10s
MacOsBuild	1s
x86_64 test-nortti	14m 59s
x86_64 test-c++20	16m 25s
PrepareVSPlugin	2m 33s
WindowsBuild	19m 10s
x86_64 test-c++23	16m 54s
x86_64 smoke-test	15m 17s
arm64 smoke-test	16m 1s
x86_64 asan	17m 25s
x86_64 asan-clang	13m 37s
x86_64 compile	7m 27s
arm64 compile	7m 19s
x86_64 compile-clang	8m 1s
arm64 compile-clang	7m 33s
x86_64 compile-static	7m 33s
arm64 compile-static	7m 30s
x86_64 compile-static-clang	7m 43s
arm64 compile-static-clang	7m 37s
x86_64 coverage	14m 26s
x86_64 clean	8m 1s
arm64 clean	6m 59s
Build and deploy GitHub pages	0s
📦 Release	1s
	5h 6m 5s

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