Removed custom_css setting

• Removed:
- custom_css setting, controller, locales

app/views/admin/settings/edit.html.haml

@@ -73,7 +73,6 @@
     = f.input :closed_registrations_message, as: :text, wrapper: :with_block_label, label: t('admin.settings.registrations.closed_message.title'), hint: t('admin.settings.registrations.closed_message.desc_html'), input_html: { rows: 8 }
     = f.input :site_extended_description, wrapper: :with_block_label, as: :text, label: t('admin.settings.site_description_extended.title'), hint: t('admin.settings.site_description_extended.desc_html'), input_html: { rows: 8 }
     = f.input :site_terms, wrapper: :with_block_label, as: :text, label: t('admin.settings.site_terms.title'), hint: t('admin.settings.site_terms.desc_html'), input_html: { rows: 8 }
-    = f.input :custom_css, wrapper: :with_block_label, as: :text, input_html: { rows: 8 }, label: t('admin.settings.custom_css.title'), hint: t('admin.settings.custom_css.desc_html')
 
   .actions
     = f.button :button, t('generic.save_changes'), type: :submit

app/views/layouts/application.html.haml

@@ -49,9 +49,6 @@
     = javascript_pack_tag "locale_#{I18n.locale}", integrity: true, crossorigin: 'anonymous'
     = csrf_meta_tags
 
-    - if Setting.custom_css.present?
-      = stylesheet_link_tag custom_css_path, media: 'all'
-
     = yield :header_tags
 
   %body{ class: body_classes }