it's under "shared" and not "casino chip".

Ok, for other people that might want to get rid of bad entries that they added to the choice lists.....here's the complete way to get to all of the choice lists and how to delete entries:

-File
-options
-change user preferences
-choice lists (tab)
-Select application=shared
-select list to modify=colors.cb5

from here you just pick what ebtry you want, and hit delete.