ARM64/ANCM cleanup work

[HaoK]

Cleanup stuff:

• [ ] Revert always building against release in native projects once we have a debug version of libnethost
• [ ] Try to remove asp net copy of fx_ver (linker issues only in debug Win32/x86)
• [ ] Try to use runtime version of [ends_with]

[ghost]

Thanks for contacting us.

We're moving this issue to the .NET 7 Planning milestone for future evaluation / consideration. We would like to keep this around to collect more feedback, which can help us with prioritizing this work. We will re-evaluate this issue, during our next planning meeting(s). If we later determine, that the issue has no community involvement, or it's very rare and low-impact issue, we will close it - so that the team can focus on more important and high impact issues. To learn more about what to expect next and how this issue will be handled you can read more about our triage process here.