Revert "fix build issue"

This reverts commit 5b3afc13.

src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts

@@ -4,6 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import 'vs/css!./media/scrollbar';
+import 'vs/css!./media/terminal';
 import 'vs/css!./media/xterm';
 import * as panel from 'vs/workbench/browser/panel';
 import * as platform from 'vs/base/common/platform';