Merge branch '12074-specs-using-no-label-filter-are-failing-on-ee-master' into 'master'

Resolve "Specs using `No+Label` filter are failing on EE master"

Closes #12074

See merge request gitlab-org/gitlab-ee!14059

ee/spec/requests/api/epics_spec.rb

@@ -287,18 +287,6 @@ describe API::Epics do
         expect_paginated_array_response(epic.id)
       end
 
-      it 'returns an array of epics with no label when using the legacy No+Label filter' do
-        get api(url), params: { labels: 'No Label' }
-
-        expect_paginated_array_response(epic.id)
-      end
-
-      it 'returns an array of epics with no label when using the legacy No+Label filter with labels param as array' do
-        get api(url), params: { labels: ['No Label'] }
-
-        expect_paginated_array_response(epic.id)
-      end
-
       it_behaves_like 'can admin epics'
     end