Fix new clippy issues, Use take.

vm/src/builtins/list.rs

@@ -132,7 +132,7 @@ impl PyList {
 
     #[pymethod]
     fn clear(&self) {
-        let _removed = std::mem::replace(self.borrow_vec_mut().deref_mut(), Vec::new());
+        let _removed = std::mem::take(self.borrow_vec_mut().deref_mut());
     }
 
     #[pymethod]

vm/src/dictdatatype.rs

@@ -304,7 +304,7 @@ impl<T: Clone> Dict<T> {
             inner.used = 0;
             inner.filled = 0;
             // defer dec rc
-            std::mem::replace(&mut inner.entries, Vec::new())
+            std::mem::take(&mut inner.entries)
         };
     }