LG, the bottom of the cabinet is a intrigral part of the cabinet. To remove it would definately weaken the entire cabinet structure. What I would suggest is to possible put in a false bottom to the cabinet. Get some newspapers and cut and layout the interior. Then transpose that to a 1/2 inch ply board, or a 1 by. This would make a new floor for the cabinet and to leave the rest alone. Be sure to prime and paint this before affixing it to the bottom.