Remove unused property

app/services/create_work_package_service.rb

@@ -28,12 +28,11 @@
 #++
 
 class CreateWorkPackageService
-  attr_accessor :user, :send_notifications, :project, :work_package
+  attr_accessor :user, :project, :work_package
 
   def initialize(user:, project:, send_notifications: true)
     self.user = user
     self.project = project
-    self.send_notifications = send_notifications
 
     WorkPackageObserver.instance.send_notification = send_notifications
   end

app/services/update_work_package_service.rb

@@ -28,13 +28,12 @@
 #++
 
 class UpdateWorkPackageService
-  attr_accessor :user, :work_package, :permitted_params, :send_notifications
+  attr_accessor :user, :work_package, :permitted_params
 
   def initialize(user:, work_package:, permitted_params: nil, send_notifications: true)
     self.user = user
     self.work_package = work_package
     self.permitted_params = permitted_params
-    self.send_notifications = send_notifications
 
     JournalObserver.instance.send_notification = send_notifications
   end