Revert "Fix IQ XML generation."

This reverts commit 26a4d91297.

src/jlib.erl

@@ -451,23 +451,15 @@ iq_type_to_string(error) -> <<"error">>.
 ).
 
 iq_to_xml(#iq{id = ID, type = Type, sub_el = SubEl}) ->
-    Children = case Type of
-		   set ->
-		       [SubEl];
-		   get ->
-		       [SubEl];
-		   _ ->
-		       SubEl
-	       end,
     if ID /= <<"">> ->
 	   #xmlel{name = <<"iq">>,
 		  attrs =
 		      [{<<"id">>, ID}, {<<"type">>, iq_type_to_string(Type)}],
-		  children = Children};
+		  children = SubEl};
        true ->
 	   #xmlel{name = <<"iq">>,
 		  attrs = [{<<"type">>, iq_type_to_string(Type)}],
-		  children = Children}
+		  children = SubEl}
     end.
 
 -spec(parse_xdata_submit/1 ::