devel/dbus: update to 1.10.12

• update to 1.10.12
• utilize localbase instead of CFLAGS/LDFLAGS
• remove not applicable patching
• remove couple of patches, that are no more needed: these files in etc/dbus-1 are now just compatibility stubs. The files were moved to share/dbus-1 in new version.

Thanks Antoine Brodin for an exp-run.

PR: 214454
Reviewed by: kwm
With hat: gnome