refactor: lint

Author: Andrew Seguin

src/material/checkbox/_m2-checkbox.scss

@@ -1,5 +1,4 @@
 @use 'sass:map';
-@use '../core/tokens/m2-utils';
 @use '../core/theming/theming';
 @use '../core/theming/inspection';
 @use '../core/style/sass-utils';