docs: remove es conf change note
docs: remove es conf change note

bosun-monitor/bosun,bookingcom/bosun,bookingcom/bosun,bookingcom/bosun,bookingcom/bosun,bookingcom/bosun,bosun-monitor/bosun,bosun-monitor/bosun,bosun-monitor/bosun,bosun-monitor/bosun,bosun-monitor/bosun,bookingcom/bosun