- update to 2.2.0-rc3
* major release
* DWG imports are more reliable now
* and a lot more of bugfixes and improvements
- remove (they are in upstream now)
* 0001-fix-build-with-gcc-9.patch
* add-boost-tuple-include-to-fix-build.patch
* ensured-all-objects-are-shown-when-a-layer-is-toggle.patch
* fix-build-with-Qt-5.11.patch
* fix-build-with-Qt-5.15.patch
- remove qcad provides/obsoletes -- it's an ancient history