feat(adapters-kv): fix formate

Signed-off-by: owl <[email protected]>

core/src/raw/adapters/typed_kv/backend.rs

@@ -223,25 +223,25 @@ impl<S: Adapter> Accessor for Backend<S> {
     }
 
     async fn rename(&self, from: &str, to: &str, _: OpRename) -> Result<RpRename> {
-        return match self.copy(from, to, OpCopy {}).await {
+        match self.copy(from, to, OpCopy {}).await {
             Ok(_) => {
                 let from = build_abs_path(&self.root, from);
                 self.kv.delete(&from).await?;
                 Ok(RpRename::default())
             }
             Err(e) => Err(e),
-        };
+        }
     }
 
     fn blocking_rename(&self, from: &str, to: &str, _: OpRename) -> Result<RpRename> {
-        return match self.blocking_copy(from, to, OpCopy {}) {
+        match self.blocking_copy(from, to, OpCopy {}) {
             Ok(_) => {
                 let from = build_abs_path(&self.root, from);
                 self.kv.blocking_delete(&from)?;
                 Ok(RpRename::default())
             }
             Err(e) => Err(e),
-        };
+        }
     }
 
     async fn copy(&self, from: &str, to: &str, _: OpCopy) -> Result<RpCopy> {