Remove unnecessary path handling code in ToolsetReader
Remove unnecessary path handling code in ToolsetReader

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