refactor: clean up osguard base definition (#14514) #7

Job	Run time
Warning-only license check does not break the build	4m 3s
Simple package build fails	4m 8s
Toolchain package rebuild succeeds	3m 54s
Pedantic license check fails	4m 11s
None license check does not break the build	10m 44s
Simple package build succeeds	3m 42s
Fatal license check succeeds on duplicated license as documentation	3m 50s
Toolchain package rebuild fails	4m 2s
Fatal license check fails	4m 14s
	42m 48s

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