Merge branch '50879-unused-css-container-fluid' into 'master'

Unused CSS part exists in mobile CSS framework

Closes #50879

See merge request gitlab-org/gitlab-ce!21439

app/assets/stylesheets/framework/mobile.scss

@@ -4,11 +4,6 @@
     margin-top: 20px;
   }
 
-  .container-fluid {
-    padding-left: 5px;
-    padding-right: 5px;
-  }
-
   .nav-links > li > a {
     padding: 10px;
     font-size: 12px;

changelogs/unreleased/50879-unused-css-container-fluid.yml

+---
+title: Remove unused CSS part in mobile framework
+merge_request: 21439
+author: Takuya Noguchi
+type: other