* Remove headers for COM provided by Win SDK
* Remove unused sourceline type (h/cpp)
Remove dataimage.h and put #define in cpp that
was using the value.
* Move src/coreclr/src/Directory.Build.targets to src/coreclr
Merge src/coreclr/src/CMakeLists.txt into src/coreclr/CMakeLists.txt
* Mechanical move of src/coreclr/src to src/coreclr
* Scripts adjustments to reflect the changed paths