Also, reverts r2197, as it is unclear what bug it was trying to fix, and it
doens't seem required (there is no call to Replicator.act() outside of
doOperation).

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2223 71dcc9de-d417-0410-9af5-da40c76e7ee4