fix(clippy): Remove needless borrows after slice refactor

Variables are already references from slice/iter, no need to borrow again.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: PastaPastaPasta

dash-spv/src/sync/headers/manager.rs

@@ -261,13 +261,13 @@ impl<S: StorageManager + Send + Sync + 'static, N: NetworkManager + Send + Sync
             storage.as_any_mut().downcast_mut::<crate::storage::disk::DiskStorageManager>()
         {
             disk_storage
-                .store_headers(&headers)
+                .store_headers(headers)
                 .await
                 .map_err(|e| SyncError::Storage(format!("Failed to store headers batch: {}", e)))?;
         } else {
             // Fallback to standard store_headers for other storage backends
             storage
-                .store_headers(&headers)
+                .store_headers(headers)
                 .await
                 .map_err(|e| SyncError::Storage(format!("Failed to store headers batch: {}", e)))?;
         }

dash-spv/src/sync/headers2/manager.rs

@@ -128,9 +128,8 @@ impl Headers2StateManager {
 
             // Get state and decompress
             let state = self.get_state(peer_id);
-            let header = state
-                .decompress(&compressed)
-                .map_err(|e| ProcessError::DecompressionError(i, e))?;
+            let header =
+                state.decompress(compressed).map_err(|e| ProcessError::DecompressionError(i, e))?;
 
             decompressed.push(header);
         }