Disable clusters and Auto DevOps for project CI for now

We cannot support these features at this time and they are just
cluttering the UI.

app/helpers/projects_helper.rb

@@ -349,7 +349,7 @@ module ProjectsHelper
       snippets:         :read_project_snippet,
       settings:         :admin_project,
       builds:           :read_build,
-      clusters:         :read_cluster,
+      #clusters:         :read_cluster,
       serverless:       :read_cluster,
       error_tracking:   :read_sentry_issue,
       labels:           :read_label,

app/presenters/project_presenter.rb

@@ -262,6 +262,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def autodevops_anchor_data(show_auto_devops_callout: false)
+    return
     if current_user && can?(current_user, :admin_pipeline, project) && repository.gitlab_ci_yml.blank? && !show_auto_devops_callout
       if auto_devops_enabled?
         AnchorData.new(false,
@@ -281,6 +282,7 @@ class ProjectPresenter < Gitlab::View::Presenter::Delegated
   end
 
   def kubernetes_cluster_anchor_data
+    return
     if current_user && can?(current_user, :create_cluster, project)
 
       if clusters.empty?

app/views/projects/empty.html.haml

@@ -20,8 +20,9 @@
           - link_to_protected_branches = link_to _('Learn more about protected branches'), help_page_path('user/project/protected_branches')
           = _('Note that the master branch is automatically protected. %{link_to_protected_branches}').html_safe % { link_to_protected_branches: link_to_protected_branches }
 
-      %hr
-      %p
+      /
+        %hr
+        %p
         - link_to_auto_devops_settings = link_to(s_('AutoDevOps|enable Auto DevOps'), project_settings_ci_cd_path(@project, anchor: 'autodevops-settings'))
         - link_to_add_kubernetes_cluster = link_to(s_('AutoDevOps|add a Kubernetes cluster'), new_project_cluster_path(@project))
         = s_('AutoDevOps|You can automatically build and test your application if you %{link_to_auto_devops_settings} for this project. You can automatically deploy it as well, if you %{link_to_add_kubernetes_cluster}.').html_safe % { link_to_auto_devops_settings: link_to_auto_devops_settings, link_to_add_kubernetes_cluster: link_to_add_kubernetes_cluster }

app/views/projects/settings/ci_cd/show.html.haml

@@ -16,7 +16,8 @@
   .settings-content
     = render 'form'
 
-%section.qa-autodevops-settings.settings#autodevops-settings.no-animate{ class: ('expanded' if expanded) }
+/
+  %section.qa-autodevops-settings.settings#autodevops-settings.no-animate{ class: ('expanded' if expanded) }
   .settings-header
     %h4
       = s_('CICD|Auto DevOps')