Remove redundant vnconfig(8) from SEE ALSO section as it is linked to mdconfig(8) on RELENG_[56] and HEAD, which is referenced too.
Remove redundant vnconfig(8) from SEE ALSO section as it is linked to
mdconfig(8) on RELENG_[56] and HEAD, which is referenced too.

Approved by: keramida (mentor), trhodes (mentor)
MFC after: 1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase