Remove unnecessary ExpirePipelineCacheWorker EE spec

ee/spec/workers/expire_pipeline_cache_worker_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe ExpirePipelineCacheWorker do
-  let(:pipeline) { create(:ci_empty_pipeline) }
-
-  subject { described_class.new }
-
-  describe '#perform' do
-    context 'when pipeline is triggered by other pipeline' do
-      let(:source) { create(:ci_sources_pipeline, pipeline: pipeline) }
-
-      it 'updates the cache of dependent pipeline' do
-        dependent_pipeline_path = "/#{source.source_project.full_path}/pipelines/#{source.source_pipeline.id}.json"
-
-        allow_any_instance_of(Gitlab::EtagCaching::Store).to receive(:touch)
-        expect_any_instance_of(Gitlab::EtagCaching::Store).to receive(:touch).with(dependent_pipeline_path)
-
-        subject.perform(pipeline.id)
-      end
-    end
-
-    context 'when pipeline triggered other pipeline' do
-      let(:build) { create(:ci_build, pipeline: pipeline) }
-      let(:source) { create(:ci_sources_pipeline, source_job: build) }
-
-      it 'updates the cache of dependent pipeline' do
-        dependent_pipeline_path = "/#{source.project.full_path}/pipelines/#{source.pipeline.id}.json"
-
-        allow_any_instance_of(Gitlab::EtagCaching::Store).to receive(:touch)
-        expect_any_instance_of(Gitlab::EtagCaching::Store).to receive(:touch).with(dependent_pipeline_path)
-
-        subject.perform(pipeline.id)
-      end
-    end
-  end
-end