Bluetooth: Merge device class into the EIR data in mgmt_ev_device_found

There's no need to have a separate device class field since the same
information can be encoded into the EIR data.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>

include/net/bluetooth/mgmt.h

@@ -365,7 +365,6 @@ struct mgmt_ev_auth_failed {
 #define MGMT_EV_DEVICE_FOUND		0x0011
 struct mgmt_ev_device_found {
 	struct mgmt_addr_info addr;
-	__u8 dev_class[3];
 	__s8 rssi;
 	__u8 confirm_name;
 	__le16 eir_len;