Remove expired port:
2014-12-06 ports-mgmt/pib: Does not work with tcl/tk 8.4+, does not support pkgng
- Remove redundant build,run options for python dependency

Submitted by:	Ruslan Makhmatkhanov
pructl is an utility to interface with PRUs.
It uses libpru (devel/libpru) and currently supports the BeagleBone
(white/black).

Differential Revision:	https://reviews.freebsd.org/D1271
Reviewed by:	bapt
Approved by:	bapt