editors/emacs: Update to 28.2
- Remove FCITXPATCH option as extra-patch-src_xfns.c can't be applied since 28.1.
- Tidy up Makefile with portfmt.
- Bump PORTREVISION of consumers.
ChangeLog: https://www.gnu.org/software/emacs/news/NEWS.28.2
PR: 266454
Exp-run by: antoine
Reviewed by: ashish, jrm
Differential Revision: https://reviews.freebsd.org/D36613