Simplify index action

No need to put 2 lines into an extra method.

Also: projectlist, packagelist and filelist are no actions. Only index is an
action...

src/api/app/controllers/source_controller.rb

@@ -17,9 +17,6 @@ class SourceController < ApplicationController
                                'waitservice', 'getprojectservices', 'unlock', 'wipe', 'rebuild', 'collectbuildenv'].freeze
 
   validate_action index: { method: :get, response: :directory }
-  validate_action projectlist: { method: :get, response: :directory }
-  validate_action packagelist: { method: :get, response: :directory }
-  validate_action filelist: { method: :get, response: :directory }
 
   skip_before_action :extract_user, only: [:lastevents_public, :global_command_orderkiwirepos, :global_command_triggerscmsync]
   skip_before_action :require_login, only: [:lastevents_public, :global_command_orderkiwirepos, :global_command_triggerscmsync]
@@ -49,15 +46,11 @@ def index
 
       pass_to_backend
     else
-      projectlist
+      @project_names = Project.order(:name).pluck(:name)
+      render formats: [:xml]
     end
   end
 
-  def projectlist
-    @project_names = Project.order(:name).pluck(:name)
-    render formats: [:xml]
-  end
-
   def set_issues_default
     @filter_changes = @states = nil
     @filter_changes = params[:changes].split(',') if params[:changes]