nfsd4: remove unused macro
nfsd4: remove unused macro

Cleanup a piece I forgot to remove in
9411b1d4c7df26dca6bc6261b5dc87a5b4c81e5c "nfsd4: cleanup handling of
nfsv4.0 closed stateid's".

Signed-off-by: J. Bruce Fields <51738506c1b2ccb0761f23bdc612c93babf738ea@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs