Bluetooth: Remove useless hci_conn disc_timeout setting

There's no need to reset disc_timeout in l2cap_le_conn_ready since
HCI_DISCONN_TIMEOUT is the default when the hci_conn is created and
there should be no way for it to get changed between creation and
l2cap_le_conn_ready being called.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index eecb60f..13c1c77 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1363,8 +1363,6 @@
 
 	chan->dcid = L2CAP_CID_LE_ATT;
 
-	conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
-
 	bacpy(&bt_sk(chan->sk)->src, conn->src);
 	bacpy(&bt_sk(chan->sk)->dst, conn->dst);