fixes broken link to grafana.org
fixes broken link to grafana.org

Tomcat-Engineering/docs.influxdata.com,Tomcat-Engineering/docs.influxdata.com,influxdb/docs.influxdata.com,influxdata/docs.influxdata.com,influxdata/docs.influxdata.com,Tomcat-Engineering/docs.influxdata.com,influxdata/docs.influxdata.com,influxdata/docs.influxdata.com,influxdb/docs.influxdata.com,influxdb/docs.influxdata.com,influxdata/docs.influxdata.com