Fix site url

Author: alvagante

_config.yml

@@ -2,7 +2,7 @@
 #      Main Configs       #
 # ----------------------- #
 
-url: https://www.example42.com
+url: https://example42.com
 title: Puppet Training, Consulting and Development. IT Automation and DevOps.
 email: info@example42.com
 author: Example42