The build now only has the NGENed image (called but called System.Private.Corelib.dll. Remove references to the *.ni.dll version
* coreclr.dll - Most modifications (with the exception of the JIT compiler and tools) that are C++ code update
this DLL.
* System.Private.CoreLib.dll - If you modified C# it will end up here.
-* System.Private.CoreLib.ni.dll - the native image (code) for System.Private.Corelib. If you modify C# code
-you will want to update both of these together in the target installation.
Thus after making a change and building, you can simply copy the updated binary from the `bin\Product\<OS>.<arch>.<flavor>`
directory to your publication directory (e.g. `helloWorld\bin\Debug\netcoreapp2.0\win7-x64\publish`) to quickly