extract common env. variable template to partial

app/views/ci/variables/_header.html.haml

+- expanded = local_assigns.fetch(:expanded)
+
+%h4
+  = _('Environment variables')
+  = link_to icon('question-circle'), help_page_path('ci/variables/README', anchor: 'variables'), target: '_blank', rel: 'noopener noreferrer'
+
+%button.btn.btn-default.js-settings-toggle{ type: 'button' }
+  = expanded ? _('Collapse') : _('Expand')
+
+%p.append-bottom-0
+  = render "ci/variables/content"

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

@@ -5,13 +5,7 @@
 
 %section.settings#ci-variables.no-animate{ class: ('expanded' if expanded) }
   .settings-header
-    %h4
-      = _('Variables')
-      = link_to icon('question-circle'), help_page_path('ci/variables/README', anchor: 'variables'), target: '_blank', rel: 'noopener noreferrer'
-    %button.btn.btn-default.js-settings-toggle{ type: "button" }
-      = expanded ? _('Collapse') : _('Expand')
-    %p.append-bottom-0
-      = render "ci/variables/content"
+    = render 'ci/variables/header', expanded: expanded
   .settings-content
     = render 'ci/variables/index', save_endpoint: group_variables_path
 

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

@@ -43,13 +43,7 @@
 
 %section.qa-variables-settings.settings.no-animate{ class: ('expanded' if expanded) }
   .settings-header
-    %h4
-      = _('Environment variables')
-      = link_to icon('question-circle'), help_page_path('ci/variables/README', anchor: 'variables'), target: '_blank', rel: 'noopener noreferrer'
-    %button.btn.js-settings-toggle{ type: 'button' }
-      = expanded ? _('Collapse') : _('Expand')
-    %p.append-bottom-0
-      = render "ci/variables/content"
+    = render 'ci/variables/header', expanded: expanded
   .settings-content
     = render 'ci/variables/index', save_endpoint: project_variables_path(@project)
 

locale/gitlab.pot

@@ -7086,9 +7086,6 @@ msgstr ""
 msgid "Users requesting access to"
 msgstr ""
 
-msgid "Variables"
-msgstr ""
-
 msgid "Various container registry settings."
 msgstr ""