More linting

Author: nullchristo

common/common.scss

@@ -50,6 +50,7 @@ html.homepage-featured-topics {
     .left-page-button {
       margin-right: 0.4em;
     }
+    
     .right-page-button {
       margin-left: 0.4em;
     }

javascripts/discourse/components/featured-homepage-topics.gjs

@@ -2,7 +2,6 @@ import Component from "@glimmer/component";
 import { tracked } from "@glimmer/tracking";
 import { concat } from "@ember/helper";
 import { action } from "@ember/object";
-import { on } from "@ember/modifier";
 import didInsert from "@ember/render-modifiers/modifiers/did-insert";
 import { service } from "@ember/service";
 import { and, not } from "truth-helpers";