removed unnecessary friend declarations from checks (#8613) #19997

Job	Run time
build_make (ubuntu:24.04)	3m 12s
build_cmake (ubuntu:24.04, true, true)	3m 8s
build_make (ubuntu:25.10)	3m 41s
build_cmake (ubuntu:25.10, true, true)	3m 5s
build_make (alpine:3.23)	5m 4s
build_cmake (alpine:3.23, false, false)	4m 23s
	22m 33s

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