Remove reference to nonexistant manpage.
Remove reference to nonexistant manpage.

PR:		    ports/131898
Submitted by:	    Niclas Zeising <niclas.zeising@gmail.com>
Prodded by:         sbruno

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