Improving example panel to have color subdued. Removing wrong .scss import.

Author: elizabetdev

src-docs/src/views/button/button_ghost.js

@@ -19,7 +19,7 @@ export default () => {
 
   return (
     <EuiThemeProvider colorMode="dark">
-      <EuiPanel borderRadius="none" hasShadow={false}>
+      <EuiPanel borderRadius="none" hasShadow={false} color="subdued">
         <EuiFlexGroup wrap gutterSize="s" alignItems="center">
           <EuiFlexItem grow={false}>
             <EuiButton color="text" onClick={() => {}}>

src/themes/amsterdam/overrides/_index.scss

@@ -1,7 +1,4 @@
 @import 'breadcrumbs';
-@import 'button';
-@import 'button_empty';
-@import 'button_group';
 @import 'card';
 @import 'code';
 @import 'color_stops';