They may have toned it down some, but they never really dropped it till he was out of office. Now they just blame him for everything, even things that have happened since he left office.
That's what will happen here, too. There will still be rumblings about this issue, but it will be more subdued and confined to the uneducated and conspiracy theorists.
Unfortunately it will continue to distract everyone from the realization that this guy's policies are horrible for America, and may end up being impossible to fix without wholesale pain in the country.