Removed pA, pB and pC from the matrice population function rr1rho_3d_3site_rankN, since they are not used.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-20
Parent: [r24227]
Child: [r24229]
