Combine default_value_for together

app/models/service.rb

@@ -26,6 +26,7 @@ class Service < ApplicationRecord
 
   default_value_for :active, false
   default_value_for :alert_events, true
+  default_value_for :category, 'common'
   default_value_for :commit_events, true
   default_value_for :confidential_issues_events, true
   default_value_for :confidential_note_events, true
@@ -81,8 +82,6 @@ class Service < ApplicationRecord
   scope :alert_hooks, -> { where(alert_events: true, active: true) }
   scope :deployment, -> { where(category: 'deployment') }
 
-  default_value_for :category, 'common'
-
   def activated?
     active
   end