fix Settings spec -> use hidden class instead of hide

also remove debug

app/views/ci/variables/_index.html.haml

@@ -2,7 +2,7 @@
 .row
   .col-lg-12.js-ci-variable-list-section{ data: { save_endpoint: save_endpoint } }
-    .hide.alert.alert-danger.js-ci-variable-error-box
+    .hidden.alert.alert-danger.js-ci-variable-error-box
     %ul.ci-variable-list
       - @variables.each.each do |variable|

spec/features/projects/tree/create_directory_spec.rb

@@ -10,8 +10,6 @@ feature 'Multi-file editor new directory', :js do
     visit project_tree_path(project, :master)
-    live_debug
-
     wait_for_requests
     click_link('Web IDE')