dev-python/{cadquery-ocp-novtk,lib3mf} used precompiled python wheels. I
could not properly assert if it was fine or not, so I revert those and his
revdeps out of caution until it is clarified.
This reverts commits:
- f428acb261.
- 89506d94d7.
- d84ee2f0d9.
- 3bce5e320f.
- 8d3a225111.
Signed-off-by: David Roman <davidroman96@gmail.com>