Made the CLI config closeable in classic mode.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

arduino-ide-extension/src/browser/style/index.css

@@ -1,7 +1,6 @@
 @import './list-widget.css';
 @import './board-select-dialog.css';
 @import './main.css';
-@import './editor.css';
 @import './monitor.css';
 @import './arduino-select.css';