Removed unneeded newline in issuables_helper_spec and removed unneeded updated_at_by variable in issuable_app_data

app/helpers/issuables_helper.rb

@@ -205,9 +205,8 @@ module IssuablesHelper
       'can-update' => can?(current_user, :update_issue, issue).to_s,
       'issuable-ref' => issue.to_reference || ''
     }
-    updated_at_by = updated_at_by(issue)
 
-    data.merge(updated_at_by)
+    data.merge(updated_at_by(issue))
   end
 
   def updated_at_by(issuable)

spec/helpers/issuables_helper_spec.rb

@@ -197,7 +197,6 @@ describe IssuablesHelper do
     let(:user) { create(:user) }
     let(:project) { create(:project) }
     let(:issue) { create(:issue, project: project, last_edited_by: user, created_at: 3.days.ago, updated_at: 2.days.ago, last_edited_at: 2.days.ago) }
-
     let(:issue_app_data) do
       {
         endpoint: realtime_changes_namespace_project_issue_path(project.namespace, project, issue),