Remove unneeded code.

storage/innobase/trx/trx0sys.c

@@ -801,24 +801,6 @@ trx_sys_print_mysql_binlog_offset(void)
 
 #ifdef WITH_WSREP
 
-#ifdef UNIV_DEBUG
-static long long trx_sys_cur_xid_seqno = -1;
-static unsigned char trx_sys_cur_xid_uuid[16];
-
-long long read_wsrep_xid_seqno(const XID* xid)
-{
-    long long seqno;
-    memcpy(&seqno, xid->data + 24, sizeof(long long));
-    return seqno;
-}
-
-void read_wsrep_xid_uuid(const XID* xid, unsigned char* buf)
-{
-    memcpy(buf, xid->data + 8, 16);
-}
-
-#endif /* UNIV_DEBUG */
-
 void
 trx_sys_update_wsrep_checkpoint(
         const XID*      xid,        /*!< in: transaction XID */

storage/xtradb/trx/trx0sys.c

@@ -966,24 +966,6 @@ trx_sys_print_mysql_binlog_offset(void)
 
 #ifdef WITH_WSREP
 
-#ifdef UNIV_DEBUG
-static long long trx_sys_cur_xid_seqno = -1;
-static unsigned char trx_sys_cur_xid_uuid[16];
-
-long long read_wsrep_xid_seqno(const XID* xid)
-{
-    long long seqno;
-    memcpy(&seqno, xid->data + 24, sizeof(long long));
-    return seqno;
-}
-
-void read_wsrep_xid_uuid(const XID* xid, unsigned char* buf)
-{
-    memcpy(buf, xid->data + 8, 16);
-}
-
-#endif /* UNIV_DEBUG */
-
 void
 trx_sys_update_wsrep_checkpoint(
         const XID*      xid,        /*!< in: transaction XID */