Remove unused iqc.

main.go

@@ -450,7 +450,7 @@ func main() {
 					if recipient.OxKeyRing == nil {
 						continue
 					}
-					oxMessage, err := oxEncrypt(client, iqc, oxPrivKey,
+					oxMessage, err := oxEncrypt(client, oxPrivKey,
 						recipient.Jid, recipient.OxKeyRing, message)
 					if err != nil {
 						fmt.Println("Ox: couldn't encrypt to",
@@ -570,7 +570,7 @@ func main() {
 				if recipient.OxKeyRing == nil {
 					continue
 				}
-				oxMessage, err := oxEncrypt(client, iqc, oxPrivKey,
+				oxMessage, err := oxEncrypt(client, oxPrivKey,
 					recipient.Jid, recipient.OxKeyRing, message)
 				if err != nil {
 					fmt.Println("Ox: couldn't encrypt to", recipient.Jid)

ox.go

@@ -705,7 +705,7 @@ func oxGetPublicKeyRing(client *xmpp.Client, iqc chan xmpp.IQ,
 	return pubKeyRing, nil
 }
 
-func oxEncrypt(client *xmpp.Client, iqc chan xmpp.IQ, oxPrivKey *crypto.Key,
+func oxEncrypt(client *xmpp.Client, oxPrivKey *crypto.Key,
 	recipient string, keyRing *crypto.KeyRing, message string,
 ) (string, error) {
 	if message == "" {