Evaluate migration of SmallVec to min_const_generics

crates/storage/src/collections/smallvec/storage.rs

@@ -21,10 +21,9 @@ use crate::traits::{
 
 #[cfg(feature = "std")]
 const _: () = {
-    use crate::{
-        lazy::LazyArray,
-        traits::StorageLayout,
-    };
+    #[cfg(feature = "ink-unstable")]
+    use crate::lazy::LazyArray;
+    use crate::traits::StorageLayout;
     use ink_metadata::layout::{
         FieldLayout,
         Layout,

crates/storage/src/lazy/lazy_array.rs

@@ -12,9 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#![cfg(not(feature = "ink-unstable"))]
-#![allow(dead_code)]
-
 use super::{
     CacheCell,
     EntryState,

crates/storage/src/lazy/mod.rs

@@ -28,6 +28,7 @@ pub mod lazy_hmap;
 
 mod cache_cell;
 mod entry;
+#[cfg(feature = "ink-unstable")]
 mod lazy_array;
 mod lazy_cell;
 mod lazy_imap;