Revert "Dereference the Wx object id when removing an object in the plater."
Revert "Dereference the Wx object id when removing an object in the plater."

This reverts commit 4979029cd285ec30126dbfe84d16ce22465a471a.

prusa3d/Slic3r,curieos/Slic3r,xoan/Slic3r,platsch/Slic3r,platsch/Slic3r,xoan/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,xoan/Slic3r,prusa3d/Slic3r,lordofhyphens/Slic3r,tmotl/Slic3r,curieos/Slic3r,curieos/Slic3r,mcilhargey/Slic3r,tmotl/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,prusa3d/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,curieos/Slic3r,prusa3d/Slic3r,alexrj/Slic3r,tmotl/Slic3r,alexrj/Slic3r,mcilhargey/Slic3r,tmotl/Slic3r,platsch/Slic3r,pieis2pi/Slic3r,prusa3d/Slic3r,lordofhyphens/Slic3r,xoan/Slic3r,alexrj/Slic3r,platsch/Slic3r,mcilhargey/Slic3r,pieis2pi/Slic3r,prusa3d/Slic3r,mcilhargey/Slic3r,tmotl/Slic3r,mcilhargey/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,xoan/Slic3r,platsch/Slic3r,platsch/Slic3r,prusa3d/Slic3r,tmotl/Slic3r,xoan/Slic3r,mcilhargey/Slic3r,curieos/Slic3r,mcilhargey/Slic3r,curieos/Slic3r