Remove unneeded exec
Remove unneeded exec

As the license key is set in the nrsysmond.cfg template there's no need to
use an extra command to set it - the file is already generated before the service
is notified.
fsalum/puppet-newrelic,icg-puppet/puppet-newrelic,fredsmelo/puppet-newrelic,retizu/puppet-newrelic,craigwatson/puppet-newrelic,thias/puppet-newrelic,fredsmelo/puppet-newrelic,dandunckelman/puppet-newrelic,retizu/puppet-newrelic,RewardGateway/puppet-newrelic,thias/puppet-newrelic,icg-puppet/puppet-newrelic,dasrecht/puppet-newrelic,dasrecht/puppet-newrelic,craigwatson/puppet-newrelic,dandunckelman/puppet-newrelic,RewardGateway/puppet-newrelic,fsalum/puppet-newrelic