undid changes to grafana config.ini file

Author: janvda

grafana/config.ini

@@ -4,8 +4,5 @@ provisioning = /etc/grafana/provisioning
 [server]
 enable_gzip = true
 
-# http://docs.grafana.org/installation/behind_proxy/
-root_url = %(protocol)s://%(domain)s/grafana/
-
 [users]
 default_theme = light