Remove IDE option from user preferences

app/views/profiles/preferences/show.html.haml

@@ -3,23 +3,6 @@
 = render 'profiles/head'
 
 = form_for @user, url: profile_preferences_path, remote: true, method: :put, html: { class: 'row prepend-top-default js-preferences-form' } do |f|
-  .col-lg-4
-    %h4.prepend-top-0
-      Web IDE (Beta)
-    %p Enable the new web IDE on this device to make it possible to open and edit multiple files with a single commit
-  .col-lg-8.multi-file-editor-options
-    = label_tag do
-      .preview.append-bottom-10= image_tag "multi-editor-off.png"
-      = f.radio_button :multi_file, "off", checked: true
-      Off
-    = label_tag do
-      .preview.append-bottom-10= image_tag "multi-editor-on.png"
-      = f.radio_button :multi_file, "on", checked: false
-      On
-
-  .col-sm-12
-    %hr
-
   .col-lg-4.application-theme
     %h4.prepend-top-0
       GitLab navigation theme