Drop role and aria attributes

app/views/layouts/_edit_menu.html.erb

@@ -5,7 +5,7 @@
   <a class='dropdown-toggle' data-toggle='dropdown' href='#'>
     <b class="caret"></b>
   </a>
-  <ul class='dropdown-menu' role='menu' aria-labelledby='dLabel'>
+  <ul class='dropdown-menu'>
     <% Editors::RECOMMENDED_EDITORS.each do |editor| %>
       <li>
         <%= link_to t('layouts.edit_with', :editor => t("editor.#{editor}.description")),

app/views/layouts/_user_menu.html.erb

@@ -4,7 +4,7 @@
     <%= @user.display_name %>
     <b class="caret"></b>
   </a>
-  <ul class='dropdown-menu' role='menu' aria-labelledby='dLabel'>
+  <ul class='dropdown-menu'>
     <li>
       <%= link_to inbox_path(:display_name => @user.display_name) do %>
         <span class='count-number'><%= number_with_delimiter(@user.new_messages.size) %></span>