Removed old proptype.

gui/src/components/search/MaterialsList.js

@@ -122,6 +122,5 @@ MaterialsList.propTypes = ({
   onChange: PropTypes.func.isRequired,
   materials_after: PropTypes.string,
   per_page: PropTypes.number,
-  actions: PropTypes.element,
-  history: PropTypes.any.isRequired
+  actions: PropTypes.element
 })