svn commit: r54366 - in /dev/manifoldcf: RC0/ RC1/ RC2/

[kwright]

Author: kwright
Date: Sun May  8 23:42:08 2022
New Revision: 54366

Log:
Remove unused RC's

Removed:
    dev/manifoldcf/RC0/
    dev/manifoldcf/RC1/
    dev/manifoldcf/RC2/