Remove completely present windows

since it has been replaced by windowview, and Desktop Grid
is ported as well, remove present windows which is effectively dead code
now

BUG:447001
BUG:362844
BUG:450487
BUG:453426
BUG:374481
BUG:185381
BUG:413342
BUG:451150
BUG:283333
BUG:315314
BUG:397500
BUG:321236
BUG:436572
BUG:335782