Remove a duplicated #[inline] annotation

Author: Marwes

lib.rs

@@ -524,7 +524,6 @@ impl<A: Array> Drop for IntoIter<A> {
 impl<A: Array> Iterator for IntoIter<A> {
     type Item = A::Item;
 
-    #[inline]
     #[inline]
     fn next(&mut self) -> Option<A::Item> {
         if self.current == self.end {