Log Message:
devel/muon: Update to 0.4.0

- Remove pkgsrc patches.

Changelog
=========
- More windows improvements
  - only ~30 tests failing with msvc
  - vsenv ported from meson
  - .exe deployed by CI
- Coverage targets are now supported thanks to Andrew McNulty
- Various default compiler options were brought in line with meson thanks
  to Michal Sieron
- XCode backend
- Improvements/bug fixes for script modules
- gnome module improvements thanks to sewn.
- dependency() overhaul, now more closely matches meson's implementation
  - Custom dependency handlers can be defined in script mode.
- docs/*.md ported to mdbook and hosted at https://docs.muon.build
- A reference manual containing all the functions, modules, objects,
  and methods that muon knows about is auto-generated on every build.
  - It also generates documentation for script modules using doc comments!
- An experimental UI
- As always, lots of bugs fixed!