xkb: rename xkb.h to xkb-procs.h
This header merely defines the various protocol request handlers, so let's rename it to something less generic and remove its include from all the files that don't actually need it (which is almost all of them).
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
This header merely defines the various protocol request handlers, so let's rename it to something less generic and remove its include from all the files that don't actually need it (which is almost all of them).