xdr: remove dead code, whitespace from xdr_enum
The 'enum sizecheck' declaration has been unused since openafs-ibm-1_0; it is
apparently vestigial from the original XDR code. Remove it, along with some
extraneous whitespace.
No functional change is incurred by this commit.
Change-Id: I9f725ab6aff6cafa911975e9edaed8f07c8a328a
Reviewed-on: https://gerrit.openafs.org/13076
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>