Revert "Added ES version as anotehr dimension"
Revert "Added ES version as anotehr dimension"

This reverts commit d26ae003d263d079b11d2b87287cb5e4173f2922.

sfroment/collectd-elasticsearch,signalfuse/collectd-elasticsearch,signalfuse/collectd-elasticsearch,sfroment/collectd-elasticsearch,signalfx/collectd-elasticsearch,signalfx/collectd-elasticsearch,signalfx/collectd-elasticsearch