Merge branch 'remove-duplicate-project-pipelines-methods' into 'master'

app/controllers/projects/pipelines_controller.rb

app/models/merge_request.rb

app/models/project.rb

app/services/issues/related_branches_service.rb

app/views/projects/buttons/_download.html.haml

ee/app/models/concerns/latest_pipeline_information.rb

...p/presenters/projects/security/configuration_presenter.rb

ee/app/services/ci/subscribe_bridge_service.rb

...senters/projects/security/configuration_presenter_spec.rb

lib/api/ci/pipelines.rb

spec/models/project_spec.rb

spec/services/issues/related_branches_service_spec.rb