Merge branch 'tr-remove-shim-class' into 'master'

Clean up unused shim class

Closes #217582

See merge request gitlab-org/gitlab!32500

app/assets/stylesheets/utilities.scss

@@ -97,11 +97,6 @@
   padding-top: 16px;
 }
 
-.gl-shim-mx-2 {
-  margin-left: 4px;
-  margin-right: 4px;
-}
-
 .gl-text-purple { color: $purple; }
 .gl-text-gray-800 { color: $gray-800; }
 .gl-bg-purple-light { background-color: $purple-light; }