remove the guides at top , remove the nylon guide and the 10mm screws and remove glass ,
for room to work and get the bar out easier remove the glass stops , the main vertical track and the dew strip
slide a plate of steel or thick aluminum between the bar and the door and use a plasma cutter ,
cut where the bar is only single layer of steel (theres three layers in the center)
you may have to pull the foam balls off the back but you can slide the latch end up through the top and slide the bar out.
i removed door beams , concert speakers and the rubber strip at bottom of door , sealed it up with a sheet of plastic ...loss of 32#