Merge pull request #5927 from BOINC/vko_installer_cleanup_for_pr #5090

Job	Run time
libs-build	1m 52s
client-build	2m 18s
apps-build	2m 17s
libs-vcpkg-build	2m 13s
client-vcpkg-build	2m 56s
apps-vcpkg-build	3m 18s
libs-cmake-build	2m 11s
libs-arm64-build	1m 39s
apps-arm64-build	7m 33s
manager-with-webview-vcpkg-build	8m 8s
apps-build-release	1m 46s
apps-x86-build-release	1m 52s
server-build	4m 0s
apps-arm64-build-release	7m 0s
manager-with-webview-build	6m 3s
manager-without-webview-build	5m 46s
unit-test-build	3m 22s
integration-test-build	4m 53s
	1h 9m 7s

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