_mixins.scss in material-sass-4.1.0

- old
+ new

@@ -4,18 +4,16 @@
 @import 'mixins/clearfix';
 @import 'mixins/float';
 @import 'mixins/form';
 @import 'mixins/grid';
 @import 'mixins/grid-framework';
-@import 'mixins/hex-to-rgba';
 @import 'mixins/hover';
 @import 'mixins/image';
 @import 'mixins/list';
 @import 'mixins/material-icons';
 @import 'mixins/nav-divider';
 @import 'mixins/reset-text';
 @import 'mixins/screenreader';
-@import 'mixins/strip-unit';
 @import 'mixins/text-alignment';
 @import 'mixins/text-emphasis';
 @import 'mixins/text-hide';
 @import 'mixins/text-truncate';
 @import 'mixins/transition';