Remove unused code.
Remove unused code.

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