remove newrelic from hawthorn
remove newrelic from hawthorn

the role no longer exists. This leads to an error.

Do we have any customers that use newrelic? We will need to figure
something out before upgrading them to hawthorn. In the meantime,
let's get rid of this.

appsembler/configuration,appsembler/configuration,appsembler/configuration,appsembler/configuration