From maintainer.
- update print/lilypond-devel to 2.21.1 from the proper development branch
- run portfmt on Makefile
- switch to python3 and un-expire
- use clang again for building instead of gcc
- clean up/regenerate patches
PR: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246112
I moved gettext to the NLS knoob