Bluetooth: Adjust header for proc socket information

The exposed socket information do not contain source or destination
addresses. So adjust the header accordingly.
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NJohan Hedberg <johan.hedberg@intel.com>

net/bluetooth/af_bluetooth.c

@@ -611,7 +611,7 @@ static int bt_seq_show(struct seq_file *seq, void *v)
 	struct bt_sock_list *l = s->l;
 
 	if (v == SEQ_START_TOKEN) {
-		seq_puts(seq ,"sk               RefCnt Rmem   Wmem   User   Inode  Src Dst Parent");
+		seq_puts(seq ,"sk               RefCnt Rmem   Wmem   User   Inode  Parent");
 
 		if (l->custom_seq_show) {
 			seq_putc(seq, ' ');