Avoid resetting errors in virTypedParamsFree

The function does not report any errors so there should be no need too
reset an existing error first. Moreover, virTypedParamsFree is mostly
called in cleanup phase where it has the potential to reset any useful
reported earlier.

src/util/virtypedparam.c

@@ -1026,7 +1026,6 @@ void
 virTypedParamsFree(virTypedParameterPtr params,
                    int nparams)
 {
-    virResetLastError();
     virTypedParamsClear(params, nparams);
     VIR_FREE(params);
 }