Integrations can override configurable triggers

Allows us to hide the Triggers checkboxes on the GithubService form

app/models/service.rb

@@ -130,6 +130,10 @@ class Service < ActiveRecord::Base
     fields
   end
 
+  def configurable_events
+    self.class.supported_events
+  end
+
   def supported_events
     self.class.supported_events
   end

app/views/shared/_service_settings.html.haml

@@ -13,12 +13,12 @@
       .col-sm-10
         = form.check_box :active, disabled: disable_fields_service?(@service)
 
-  - if @service.supported_events.present?
+  - if @service.configurable_events.present?
     .form-group
       = form.label :url, "Trigger", class: 'control-label'
 
       .col-sm-10
-        - @service.supported_events.each do |event|
+        - @service.configurable_events.each do |event|
           %div
             = form.check_box service_event_field_name(event), class: 'pull-left'
             .prepend-left-20

ee/app/models/project_services/github_service.rb

@@ -38,6 +38,10 @@ class GithubService < Service
     %w(pipeline)
   end
 
+  def configurable_events
+    []
+  end
+
   def can_test?
     project.pipelines.any?
   end