fix format error

dnsapi/dns_arvan.sh

@@ -150,7 +150,7 @@ _arvan_rest() {
   export _H1="Authorization: $token_trimmed"
 
   if [ "$mtd" = "DELETE" ]; then
-  # DELETE Request shouldn't have Content-Type
+    #DELETE Request shouldn't have Content-Type
     _debug data "$data"
     response="$(_post "$data" "$ARVAN_API_URL/$ep" "" "$mtd")"
   elif [ "$mtd" = "POST" ]; then