Remove the Graphql feature flag in EE too

ee/app/models/ee/project.rb

@@ -571,12 +571,12 @@ module EE
     end
 
     def design_management_enabled?
-      # LFS and GraphQL are required for using Design Management
+      # LFS is required for using Design Management
       #
       # Checking both feature availability on the license, as well as the feature
       # flag, because we don't want to enable design_management by default on
       # on prem installs yet.
-      lfs_enabled? && ::Gitlab::Graphql.enabled? &&
+      lfs_enabled? &&
         feature_available?(:design_management) &&
         ::Feature.enabled?(:design_management, self)
     end

ee/app/views/groups/usage_quotas/index.html.haml

@@ -12,7 +12,6 @@
     %li.nav-item
       %a.nav-link#pipelines-quota{ data: { toggle: "tab", action: '#pipelines-quota-tab' }, href: '#pipelines-quota-tab', 'aria-controls': '#pipelines-quota-tab', 'aria-selected': true }
         = s_('UsageQuota|Pipelines')
-    - if Gitlab::Graphql.enabled?
     %li.nav-item
       %a.nav-link#storage-quota{ data: { toggle: "tab", action: '#storage-quota-tab' }, href: '#storage-quota-tab', 'aria-controls': '#storage-quota-tab', 'aria-selected': false }
         = s_('UsageQuota|Storage')
@@ -24,6 +23,5 @@
     = render "namespaces/pipelines_quota/list",
       locals: { namespace: @group, projects: @projects }
   .tab-pane#storage-quota-tab
-    - if Gitlab::Graphql.enabled?
     #js-storage-counter-app{ data: { namespace_path: @group.full_path } }
 

ee/spec/models/project_spec.rb

@@ -1833,22 +1833,23 @@ describe Project do
 
   describe "#design_management_enabled?" do
     let(:project) { build(:project) }
-    where(:feature_enabled, :license_enabled, :graphql, :lfs, :expected) do
-      false | false | false | false | false
-      true  | false | false | false | false
-      false | true  | false | false | false
-      false | false | true  | false | false
-      false | false | false | true | false
-      true  | true  | true | true | true
-    end
+
+    where(
+      feature_enabled: [false, true],
+      license_enabled: [false, true],
+      lfs_enabled: [false, true]
+    )
 
     with_them do
       before do
         stub_licensed_features(design_management: license_enabled)
-        stub_feature_flags(design_management: feature_enabled, graphql: graphql)
-        expect(project).to receive(:lfs_enabled?).and_return(lfs)
+        stub_feature_flags(design_management: feature_enabled)
+        expect(project).to receive(:lfs_enabled?).and_return(lfs_enabled)
       end
 
+      # Design management is only available if all dependencies are enabled
+      let(:expected) { feature_enabled && license_enabled && lfs_enabled }
+
       it "knows if design management is available" do
         expect(project.design_management_enabled?).to be(expected)
       end