Revert "Merge branch 'button-bug-fixes' into 'master'"

This reverts merge request !30678

app/assets/stylesheets/pages/projects.scss

@@ -303,7 +303,7 @@
 
     .count-badge-count,
     .count-badge-button {
-      border: 1px solid $gray-400;
+      border: 1px solid $border-color;
       line-height: 1;
     }
 

changelogs/unreleased/button-bug-fixes.yml

----
-title: Fix Project Badge Button Styles
-merge_request: 30678
-author:
-type: fixed