[Arm] Remove obsolete assert
[Arm] Remove obsolete assert

Assert should have been removed with #14018

Fixes #14082

krk/coreclr,krk/coreclr,rartemev/coreclr,wtgodbe/coreclr,cshung/coreclr,yizhang82/coreclr,parjong/coreclr,kyulee1/coreclr,poizan42/coreclr,hseok-oh/coreclr,poizan42/coreclr,mmitche/coreclr,hseok-oh/coreclr,wtgodbe/coreclr,kyulee1/coreclr,JosephTremoulet/coreclr,hseok-oh/coreclr,rartemev/coreclr,rartemev/coreclr,kyulee1/coreclr,mmitche/coreclr,ruben-ayrapetyan/coreclr,cshung/coreclr,wtgodbe/coreclr,rartemev/coreclr,wateret/coreclr,rartemev/coreclr,yizhang82/coreclr,poizan42/coreclr,parjong/coreclr,JosephTremoulet/coreclr,yizhang82/coreclr,botaberg/coreclr,wateret/coreclr,cshung/coreclr,parjong/coreclr,botaberg/coreclr,hseok-oh/coreclr,cshung/coreclr,mmitche/coreclr,ruben-ayrapetyan/coreclr,JosephTremoulet/coreclr,ruben-ayrapetyan/coreclr,krk/coreclr,wateret/coreclr,ruben-ayrapetyan/coreclr,mmitche/coreclr,botaberg/coreclr,botaberg/coreclr,cshung/coreclr,krk/coreclr,yizhang82/coreclr,wateret/coreclr,wateret/coreclr,kyulee1/coreclr,yizhang82/coreclr,rartemev/coreclr,wtgodbe/coreclr,poizan42/coreclr,yizhang82/coreclr,kyulee1/coreclr,mmitche/coreclr,ruben-ayrapetyan/coreclr,mmitche/coreclr,poizan42/coreclr,parjong/coreclr,poizan42/coreclr,ruben-ayrapetyan/coreclr,wateret/coreclr,kyulee1/coreclr,parjong/coreclr,JosephTremoulet/coreclr,botaberg/coreclr,hseok-oh/coreclr,krk/coreclr,krk/coreclr,cshung/coreclr,hseok-oh/coreclr,wtgodbe/coreclr,JosephTremoulet/coreclr,wtgodbe/coreclr,botaberg/coreclr,parjong/coreclr,JosephTremoulet/coreclr