Updated openstack/openstack
Project: openstack/ceilometer  f76027ccb768d68ddd12f220483308def55aadb3
null
Simplify the dispatcher method prototype

`record_metering_data' is receiving a context that is never used in the
dispatch drivers. So let's remove it to simplify our code and
interfaces.

Change-Id: I811fe86b86749de4c4d52a57e761021604f7b818