Remove unneccesary spec

spec/models/ci/pipeline_spec.rb

@@ -396,20 +396,6 @@ describe Ci::Pipeline, :mailer do
           expect(seeds.size).to eq 1
           expect(seeds.dig(0, 0, :name)).to eq 'unit'
         end
-
-        context "when pipeline iid is used for 'only' keyword" do
-          let(:config) do
-            { rspec: { script: 'rspec', only: { variables: ['$CI_PIPELINE_IID == 2'] } },
-              prod: { script: 'cap prod', only: { variables: ['$CI_PIPELINE_IID == 1'] } } }
-          end
-
-          it 'returns stage seeds only when variables expression is truthy' do
-            seeds = pipeline.stage_seeds
-
-            expect(seeds.size).to eq 1
-            expect(seeds.dig(0, 0, :name)).to eq 'prod'
-          end
-        end
       end
     end