Bluetooth: Fix HCIGETDEVINFO regression

Recent changes breaks HCIGETDEVINFO since it changes the size of
hci_dev_info.

Fixes: 26afbd82 ("Bluetooth: Add initial implementation of CIS connections")
Reported-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NLuiz Augusto von Dentz <luiz.von.dentz@intel.com>

include/net/bluetooth/hci_sock.h

@@ -124,8 +124,6 @@ struct hci_dev_info {
 	__u16 acl_pkts;
 	__u16 sco_mtu;
 	__u16 sco_pkts;
-	__u16 iso_mtu;
-	__u16 iso_pkts;
 
 	struct hci_dev_stats stat;
 };