net/libstorj: Deprecate port and set expiration date to 2021-12-31

Deprecated upstream

Reference: https://github.com/storj/libstorj

Pointy hat to myself (net/libstorj is not net/storj, reported by danfe)

PR: 257129
Approved by: arrowd (mentor)
Differential Revision: https://reviews.freebsd.org/D31701