Remove New Relic support from oc-id

[tas50]

We do not use New Relic at this point and we still have to package and update this gem continuously. There's no reason to include the gem:

https://github.com/chef/chef-server/blob/main/src/oc-id/Gemfile#L21

[tas50]

@saghoshprogress this should be fixed in #2993

[tas50]

This is done