Or, more to the point, because it never existed in the first place except as an opportunity for Trump to create rancour, division and hatred. Remember all the court cases that found precisely nothing.
I would guess Giuliani might have some interesting memories of all this and the danger of getting too close to Trump; looks like he has been hung out to dry - especially financially. No sign of any support coming his way unless, of course, he suddenly appears again as a key player in the new administration.