Merge branch '268349-escalation-policies-empty-state-haml' into 'master'

Remove escalation policies sidebar HAML

See merge request gitlab-org/gitlab!61048

ee/app/views/projects/sidebar/_escalation_policies.html.haml

-- return unless project_nav_tab? :escalation_policy
-
-= nav_link(controller: :escalation_policies) do
-  = link_to project_incident_management_escalation_policies_path(@project), title: _('Escalation policies') do
-    %span
-      = _('Escalation Policies')

locale/gitlab.pot

@@ -12977,9 +12977,6 @@ msgstr ""
 msgid "Errors:"
 msgstr ""
 
-msgid "Escalation Policies"
-msgstr ""
-
 msgid "Escalation policies"
 msgstr ""