No longer suggest wheel in build-requires for PEP 517 builds
          #1050
        
          
      
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"wheel"is included with proper version byget_requires_for_build_wheelfrom PEP 517, and isn't required for making an sdist, and might not be required in the future at all (in which case setuptools will modifyget_requires_for_build_wheel). It's available even in 40.8.This was probably my fault (actually, yes it was, git blame's to me). It is very common, so maybe we should mention wheel is not required? I'd go for simple, I think, but it's possible someone will try to add it again in a PR.