Remove stale TargetFrameworkVersion assignment
Remove stale TargetFrameworkVersion assignment

cdmihai/msbuild,chipitsine/msbuild,rainersigwald/msbuild,mono/msbuild,chipitsine/msbuild,Microsoft/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,cdmihai/msbuild,jeffkl/msbuild,sean-gilliam/msbuild,cdmihai/msbuild,Microsoft/msbuild,cdmihai/msbuild,Microsoft/msbuild,jeffkl/msbuild,jeffkl/msbuild,mono/msbuild,AndyGerlicher/msbuild,mono/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,AndyGerlicher/msbuild,mono/msbuild,sean-gilliam/msbuild,chipitsine/msbuild,chipitsine/msbuild,Microsoft/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,jeffkl/msbuild