NFC: st21nfca: fix "WARNING: else is not generally useful after a break or return"

scripts/checkpatch.pl -f drivers/nfc/st21nfca.c is throwing the following:
WARNING: else is not generally useful after a break or return
#866: FILE: drivers/nfc/st21nfca/st21nfca.c:866:
+			return 0;
+		} else {

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/nfc/st21nfca/st21nfca.c

@@ -862,7 +862,6 @@ static int st21nfca_hci_event_received(struct nfc_hci_dev *hdev, u8 gate,
 			r = st21nfca_tm_event_send_data(hdev, skb, gate);
 			if (r < 0)
 				goto exit;
-			return 0;
 		} else {
 			info->dep_info.curr_nfc_dep_pni = 0;
 			return 1;