Update comments in TieredCompilationManager (#14610)
Update comments in TieredCompilationManager (#14610)

We've continued plugging away and the status in the comment was out-of-date.
ruben-ayrapetyan/coreclr,ruben-ayrapetyan/coreclr,wateret/coreclr,poizan42/coreclr,wtgodbe/coreclr,poizan42/coreclr,cshung/coreclr,mmitche/coreclr,cshung/coreclr,wtgodbe/coreclr,mmitche/coreclr,krk/coreclr,wateret/coreclr,krk/coreclr,yizhang82/coreclr,wateret/coreclr,cshung/coreclr,mmitche/coreclr,wtgodbe/coreclr,JosephTremoulet/coreclr,mmitche/coreclr,mmitche/coreclr,krk/coreclr,wtgodbe/coreclr,JosephTremoulet/coreclr,wateret/coreclr,poizan42/coreclr,JosephTremoulet/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,JosephTremoulet/coreclr,wtgodbe/coreclr,wateret/coreclr,wateret/coreclr,mmitche/coreclr,yizhang82/coreclr,ruben-ayrapetyan/coreclr,JosephTremoulet/coreclr,yizhang82/coreclr,yizhang82/coreclr,ruben-ayrapetyan/coreclr,wtgodbe/coreclr,cshung/coreclr,poizan42/coreclr,yizhang82/coreclr,JosephTremoulet/coreclr,ruben-ayrapetyan/coreclr,poizan42/coreclr,krk/coreclr,cshung/coreclr,poizan42/coreclr,yizhang82/coreclr,krk/coreclr