afs: Delete unneeded duplicate code

Delete a memory release and a goto since natural code flow will
result in exactly the same thing.

Reviewed-on: http://gerrit.openafs.org/11179
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Reviewed-by: D Brashear <shadow@your-file-system.com>
(cherry picked from commit 69705782318226806b6a2b092ec4b63d594d184c)

Change-Id: I44ea83c6b7da68fe0c5c8959d2c8eafb6e942d4b
Reviewed-on: http://gerrit.openafs.org/11207
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Perry Ruiter <pruiter@sinenomine.net>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>