pfring support: remove in favor of (externally maintained) plugin
The plugin support (#3332) will support capture methods. When it is merged and considered stable, remove the built-in pfring support in favor of a plugin.
Updated by Victor Julien about 2 years ago
An example of what this might look like: https://github.com/OISF/suricata/pull/5150/commits/8215d59c030d7842579c8f45a8223529f7fc6b37