Rubocop redundant return fix

Rubocop redundant return fix

diff --git a/plugin.rb b/plugin.rb
index 156bd09..602592a 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -90,7 +90,7 @@ after_initialize do
         render :default, content_type: 'text/xml; charset=UTF-8'
       end
       render plain: @output, content_type: 'text/xml; charset=UTF-8' unless performed?
-      return @output
+      @output
     end
 
     def sitemap(page)
@@ -103,7 +103,7 @@ after_initialize do
         render :default, content_type: 'text/xml; charset=UTF-8'
       end
       render plain: @output, content_type: 'text/xml; charset=UTF-8' unless performed?
-      return @output
+      @output
     end
 
     def news

GitHub sha: 434334f5