Removed the parameter "matrix" to be send to lib function of ns r1rho 3site, since it is now populated inside the lib function.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-20
Parent: [r24221]
Child: [r24223]
