[HWKMETRICS-509] Removed outdated documentation file.
[HWKMETRICS-509] Removed outdated documentation file.

hawkular/hawkular-metrics,tsegismont/hawkular-metrics,tsegismont/hawkular-metrics,mwringe/hawkular-metrics,jotak/hawkular-metrics,burmanm/hawkular-metrics,jotak/hawkular-metrics,hawkular/hawkular-metrics,jotak/hawkular-metrics,mwringe/hawkular-metrics,jotak/hawkular-metrics,burmanm/hawkular-metrics,tsegismont/hawkular-metrics,burmanm/hawkular-metrics,burmanm/hawkular-metrics,tsegismont/hawkular-metrics,hawkular/hawkular-metrics,mwringe/hawkular-metrics,mwringe/hawkular-metrics,hawkular/hawkular-metrics