kill off afs/debug.h

kill off afs/debug.h

as reported by Marc Dionne, debug.h was still redefinining assert()

yeah, let's be done with that.

(cherry picked from commit af0951f373224ce17b341bc5d227fdd5ea621762)
Reviewed-on: http://gerrit.openafs.org/3194
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>
Change-Id: I2af9e1a54bd291f779b5380c0f45f9527e3c7cd8
Reviewed-on: http://gerrit.openafs.org/3225
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Derrick Brashear <shadow@dementia.org>