Fix static analysis offences

app/presenters/ci/build_metadata_presenter.rb

 module Ci
   class BuildMetadataPresenter < Gitlab::View::Presenter::Delegated
-
     TIMEOUT_SOURCES = {
         unknown_timeout_source: nil,
         project_timeout_source: 'project',
@@ -15,6 +14,5 @@ module Ci
       TIMEOUT_SOURCES[metadata.timeout_source.to_sym] ||
         metadata.timeout_source
     end
-
   end
 end

app/presenters/ci/build_presenter.rb

 module Ci
   class BuildPresenter < Gitlab::View::Presenter::Delegated
-
     presents :build
 
     def erased_by_user?

app/serializers/build_metadata_entity.rb

 class BuildMetadataEntity < Grape::Entity
-
   expose :used_timeout_human_readable do |metadata|
     metadata.used_timeout_human_readable unless metadata.used_timeout.nil?
   end

spec/javascripts/jobs/sidebar_detail_row_spec.js

@@ -53,5 +53,4 @@ describe('Sidebar detail row', () => {
   it('should render help when helpUrl is provided', () => {
     expect(vm.$el.querySelector('.help-button a').getAttribute('href')).toEqual('help url');
   });
-
 });

spec/models/concerns/chronic_duration_attribute_spec.rb

@@ -39,7 +39,8 @@ end
 describe 'ChronicDurationAttribute' do
   let(:source_field) {:maximum_job_timeout}
   let(:virtual_field) {:maximum_job_timeout_human_readable}
-  subject {Ci::Runner.new}
+
+  subject { Ci::Runner.new }
 
   it_behaves_like 'ChronicDurationAttribute reader'
   it_behaves_like 'ChronicDurationAttribute writer'