Remove container images destroy service class

app/services/container_images/destroy_service.rb

-module ContainerImages
-  class DestroyService < BaseService
-    def execute(container_image)
-      return false unless can?(current_user, :update_container_image, project)
-
-      container_image.destroy!
-    end
-  end
-end

spec/services/container_images/destroy_service_spec.rb

-require 'spec_helper'
-
-describe ContainerImages::DestroyService, '#execute', :services do
-  let(:user) { create(:user) }
-
-  let(:container_repository) do
-    create(:container_repository, name: 'myimage', tags: %w[latest])
-  end
-
-  let(:project) do
-    create(:project, path: 'test',
-                     namespace: user.namespace,
-                     container_repositories: [container_repository])
-  end
-
-  before do
-    stub_container_registry_config(enabled: true)
-  end
-
-  it { expect(container_repository).to be_valid }
-  it { expect(project.container_repositories).not_to be_empty }
-
-  context 'when container image has tags' do
-    before do
-      project.add_master(user)
-    end
-
-    it 'removes all tags before destroy' do
-      service = described_class.new(project, user)
-
-      expect(container_repository)
-        .to receive(:delete_tags).and_return(true)
-      expect { service.execute(container_repository) }
-        .to change(project.container_repositories, :count).by(-1)
-    end
-
-    it 'fails when tags are not removed' do
-      service = described_class.new(project, user)
-
-      expect(container_repository)
-        .to receive(:delete_tags).and_return(false)
-      expect { service.execute(container_repository) }
-        .to raise_error(ActiveRecord::RecordNotDestroyed)
-    end
-  end
-end