build

Move example-fortran inside atlas_HAVE_DOCS (#235) #1248

Job	Run time
ci (Release, linux gnu-10)	1m 9s
ci (Release, linux gnu-12)	1m 8s
ci (Release, linux gnu-7)	1m 22s
ci (Release, linux clang-12)	1m 22s
ci (Release, linux intel)	1m 22s
ci (Release, linux intel-classic)	1m 22s
ci (Release, macos)	1m 9s
ci (Debug, linux gnu-10)	1m 9s
ci (Debug, linux gnu-12)	1m 9s
ci (Debug, linux gnu-7)	1m 15s
ci (Debug, linux clang-12)	1m 19s
ci (Debug, linux intel)	1m 22s
ci (Debug, linux intel-classic)	1m 22s
ci (Debug, macos)	1m 9s
	17m 39s

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