GNU Emacs Updates

editors/emacs:

• Update to 24.5
• Remove dependency on GCC for i386 platform, if the bug is fixed in the version in use
• Remove upstreamed diff

editors/emacs-devel:

• Update to git snapshot def0df01
• Remove git revision from PORTVERSION, rather encode it in DISTNAME
• Remove dependency on GCC for i386 platform, if the bug is fixed in the version in use
• Fix portlint warnings

Mk/bsd.emacs.mk:

• Update version number for editors/emacs
• Remove deprecated block for emacs23

PR: 199553