Bluetooth: remove an unused variable in a header file

This patch removes srej_queue_next from include/net/bluetooth/l2cap.h as it
is not used.

Signed-off-by: Rami Rosen <ramirose@gmail.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 7588ef4..cdd3302 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -496,7 +496,6 @@
 	__u16		frames_sent;
 	__u16		unacked_frames;
 	__u8		retry_count;
-	__u16		srej_queue_next;
 	__u16		sdu_len;
 	struct sk_buff	*sdu;
 	struct sk_buff	*sdu_last_frag;