remove spinner

app/views/help/ui.html.haml

@@ -324,7 +324,7 @@
             %strong Tip:
             If an author is not a member of this project, you can still filter by their name while using the search field.
           .dropdown-loading
-            = icon('spinner spin')
+            .spinner.spinner-md
 
   .example
     %div
@@ -405,7 +405,7 @@
             = icon('search')
           .dropdown-content
           .dropdown-loading
-            = icon('spinner spin')
+            .spinner.spinner-md
 
   .example
     %div