fix(toolbar): remove the toolbar style.scss import

fix #131

Author: wewoor

src/components/toolbar/index.tsx

@@ -1,4 +1,3 @@
-import './style.scss';
 import * as React from 'react';
 import { prefixClaName, classNames } from 'mo/common/className';
 import ActionBar, { IActionBar } from 'mo/components/actionBar';