remove unused scroll indicators (#3741)

Author: giriawu

packages/bpk-component-mobile-scroll-container/src/BpkMobileScrollContainer.module.scss

@@ -17,7 +17,6 @@
  */
 
 @use '../../unstable__bpk-mixins/tokens';
-@use '../../unstable__bpk-mixins/scroll-indicators';
 
 .bpk-mobile-scroll-container {
   position: relative;