libceph: remove unused monc->have_fsid

This is unused; use monc->client->have_fsid.

Signed-off-by: Sage Weil <sage@inktank.com>
diff --git a/include/linux/ceph/mon_client.h b/include/linux/ceph/mon_client.h
index 2113e38..1dc508a 100644
--- a/include/linux/ceph/mon_client.h
+++ b/include/linux/ceph/mon_client.h
@@ -71,7 +71,6 @@
 	int cur_mon;                       /* last monitor i contacted */
 	unsigned long sub_sent, sub_renew_after;
 	struct ceph_connection con;
-	bool have_fsid;
 
 	/* pending generic requests */
 	struct rb_root generic_request_tree;
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 900ea0f..e98f607 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -769,7 +769,6 @@
 		monc->monmap->mon_inst[i].name.num = cpu_to_le64(i);
 	}
 	monc->monmap->num_mon = num_mon;
-	monc->have_fsid = false;
 	return 0;
 }