Berthold Stoeger d597b6dca5 cleanup: remove unused CylindersModelFiltered functions
add() and remove() are not used anymore since this is done using
undo commands. The planner uses CylindersModel instead.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-04-07 00:13:35 +02:00
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