Removed logstash from docker yaml for gremlin
Removed logstash from docker yaml for gremlin

The change to remove logstash was merged right before this was, causing this bug

craigyam/amalgam8,amalgam8/amalgam8,kimikowang/istio_vms,kimikowang/istio_vms,ericvn/amalgam8,JacobFrericks/amalgam8,JacobFrericks/amalgam8,kimikowang/istio_vms,amalgam8/amalgam8,kimikowang/istio_vms,craigyam/amalgam8,ericvn/amalgam8,amalgam8/amalgam8,craigyam/amalgam8,amalgam8/amalgam8,ericvn/amalgam8,JacobFrericks/amalgam8,craigyam/amalgam8,craigyam/amalgam8,amalgam8/amalgam8,kimikowang/istio_vms