Projects: Fix the "Manage the Most Recent Project Lists" dialog so it actually removes selected projects.
Ref http://bugs.activestate.com/show_bug.cgi?id=99770
The code checked in in r60410 never worked correctly.
rn=

(integrated from komodo (trunk) change 80851 by ericp)

git-svn-id: https://svn.openkomodo.com/repos/openkomodo/trunk@13239 b87d16e7-d29f-4ee1-b5ec-817d645d335f