Fix warnings from rustc 1.65.0

Bug: 250026064
Test: m rust
Change-Id: I90d1ecde006d16967879cec4138e804ad246698d
diff --git a/keystore2/src/legacy_importer.rs b/keystore2/src/legacy_importer.rs
index be90d09..9eb702d 100644
--- a/keystore2/src/legacy_importer.rs
+++ b/keystore2/src/legacy_importer.rs
@@ -510,7 +510,7 @@
             }
         };
 
-        let (km_params, upgraded_blob) = get_key_characteristics_without_app_data(&km_uuid, &*blob)
+        let (km_params, upgraded_blob) = get_key_characteristics_without_app_data(&km_uuid, &blob)
             .context(ks_err!("Failed to get key characteristics from device.",))?;
 
         let flags = km_blob.get_flags();