Remove unused macro variant
@@ -245,7 +245,6 @@ pub trait TupleCollect: Sized {
}
macro_rules! impl_tuple_collect {
- () => ();
($N:expr; $A:ident ; $($X:ident),* ; $($Y:ident),* ; $($Y_rev:ident),*) => (
impl<$A> TupleCollect for ($($X),*,) {
type Item = $A;
