Remove unused specialization of size_hint
Additionally, specializing something in `Unspecialized` does not seem
reasonable.
@@ -13,11 +13,6 @@ where
fn next(&mut self) -> Option<Self::Item> {
self.0.next()
}
-
- #[inline(always)]
- fn size_hint(&self) -> (usize, Option<usize>) {
- self.0.size_hint()
- }
}
fn check_specialized<'a, V, IterItem, Iter, F>(iterator: &Iter, mapper: F)
