Revert "Fix bug in group security dashboard"

This reverts commit 627dfde1272ef142474e08e1a395d968d1ad8b1e.

ee/app/helpers/groups/security_features_helper.rb

@@ -2,7 +2,7 @@
 
 module Groups::SecurityFeaturesHelper
   def group_level_security_dashboard_available?(group)
-    can?(current_user, :read_group_security_dashboard, group)
+    group.feature_available?(:security_dashboard)
   end
 
   def group_level_compliance_dashboard_available?(group)

ee/spec/helpers/groups/security_features_helper_spec.rb

@@ -9,19 +9,18 @@ RSpec.describe Groups::SecurityFeaturesHelper do
   let_it_be(:user, refind: true) { create(:user) }
 
   before do
-    allow(helper).to receive(:can?) { |*args| Ability.allowed?(*args) }
     allow(helper).to receive(:current_user).and_return(user)
   end
 
   describe '#group_level_security_dashboard_available?' do
-    where(:read_group_security_dashboard_permission, :result) do
-      false | false
+    where(:security_dashboard_feature_enabled, :result) do
       true  | true
+      false | false
     end
 
     with_them do
       before do
-        allow(helper).to receive(:can?).with(user, :read_group_security_dashboard, group).and_return(read_group_security_dashboard_permission)
+        stub_licensed_features(security_dashboard: security_dashboard_feature_enabled)
       end
 
       it 'returns the expected result' do

ee/spec/views/layouts/nav/sidebar/_group.html.haml_spec.rb

@@ -109,12 +109,6 @@ RSpec.describe 'layouts/nav/sidebar/_group' do
         stub_licensed_features(security_dashboard: true)
       end
 
-      context 'when the user has access to Compliance dashboard' do
-        before do
-          group.add_developer(user)
-          allow(view).to receive(:current_user).and_return(user)
-        end
-
       it 'is visible' do
         render
 
@@ -122,7 +116,6 @@ RSpec.describe 'layouts/nav/sidebar/_group' do
         expect(rendered).to have_link 'Security'
       end
     end
-    end
 
     context 'when compliance dashboard feature is enabled' do
       before do