nfsd: trace: remove redundant stateid even deleg_recall

Since commit e56dc9e ("nfsd: remove fault injection code") remove
all nfsd_recall_delegations codes,
we don't need trace_nfsd_deleg_recall any more.

Signed-off-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

fs/nfsd/trace.h

@@ -626,7 +626,6 @@ DEFINE_STATEID_EVENT(open);
 DEFINE_STATEID_EVENT(deleg_read);
 DEFINE_STATEID_EVENT(deleg_write);
 DEFINE_STATEID_EVENT(deleg_return);
-DEFINE_STATEID_EVENT(deleg_recall);
 
 DECLARE_EVENT_CLASS(nfsd_stateseqid_class,
 	TP_PROTO(u32 seqid, const stateid_t *stp),