app/views/doorkeeper/authorized_applications/_delete_form.html.erb
<%- submit_btn_css ||= 'button red-button' %>
<%= form_tag oauth_authorized_application_path(application) do %>
<input type="hidden" name="_method" value="delete">
<%= submit_tag t('doorkeeper.authorized_applications.buttons.revoke'), onclick: "return confirm('#{ t('doorkeeper.authorized_applications.confirmations.revoke') }')", class: submit_btn_css %>
<% end %>