cleanup ProjectMover

app/services/project_transfer_service.rb

@@ -25,7 +25,7 @@ class ProjectTransferService
       true
     end
-  rescue Gitlab::ProjectMover::ProjectMoveError => ex
+  rescue => ex
     raise Project::TransferError.new(ex.message)
   end
 end

lib/tasks/gitlab/enable_namespaces.rake

@@ -99,7 +99,7 @@ namespace :gitlab do
       end
       begin
-        Gitlab::ProjectMover.new(project, '', group.path).execute
+        project.transfer(group.path)
         puts "moved to #{new_path}".green
       rescue
         puts "failed moving to #{new_path}".red