They could do that, except it wouldn't make much difference in terms of the current debt levels. They should allow PM's to increase considerably more before selling, in order to capture the maximum value of this asset.
The IMF will not be selling a gram of what gold they have left. they will just get money from thin air. It is so much easier. You are a dummy and have no clue as to why you need to own Gold in this period in History. An ex goldbug? Don't make me laugh!