net/netpeek: Update 0.3.2 => 0.3.3

While here, update features list in pkg-descr and
remove unnecessary args from USES=python.

Changelog:
https://github.com/zingytomato/netpeek/releases/tag/v0.3.3

Reported by: portscout!
Approved by: osa, vvd (Mentors, implicit)