Remove unused CSS classes

Old CSS classes that are not being used anymore

ee/app/views/groups/ee/_administration_nav.html.haml

@@ -4,9 +4,9 @@
   = link_to administration_nav_path(@group) do
     .nav-icon-container
       = sprite_icon('admin')
-    %span.nav-item-name.qa-group-settings-item
+    %span.nav-item-name
       = _('Administration')
-  %ul.sidebar-sub-level-items.qa-group-sidebar-submenu
+  %ul.sidebar-sub-level-items
     = nav_link(path: group_administration_nav_link_paths, html_options: { class: "fly-out-top-item" } ) do
       = link_to administration_nav_path(@group) do
         %strong.fly-out-top-item-name
@@ -14,7 +14,7 @@
     %li.divider.fly-out-top-item
     - if show_saml_in_sidebar?(@group)
       = nav_link(path: 'saml_providers#show') do
-        = link_to group_saml_providers_path(@group), title: _('SAML SSO'), class: 'qa-group-saml-sso-link' do
+        = link_to group_saml_providers_path(@group), title: _('SAML SSO') do
           %span
             = _('SAML SSO')