a913d0891c
This results in a smaller prometheus.yml config file. It also allows us to use the same options for both prometheus-1 and prometheus-2 since the new options for prometheus-2 default to null and will be filtered out if they are not set.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.