refactor: fix lint (#31364)

Author: andrewseguin

src/material/button/_icon-button-theme.scss

@@ -2,7 +2,6 @@
 @use 'sass:math';
 @use './m2-icon-button';
 @use './m3-icon-button';
-@use '../core/style/sass-utils';
 @use '../core/tokens/token-utils';
 @use '../core/theming/theming';
 @use '../core/theming/inspection';