Remove FreeBSD 10.1 (#13633)
Remove FreeBSD 10.1 (#13633)

10.1 has been EOL'd, and the image is not upgradeable.  This image will become unusable in newer versions of Jenkins.  Eliminating from CI.  If needed, new versions of BSD could be prepped and re-added to CI.
mmitche/coreclr,rartemev/coreclr,dpodder/coreclr,hseok-oh/coreclr,dpodder/coreclr,wtgodbe/coreclr,poizan42/coreclr,JosephTremoulet/coreclr,JonHanna/coreclr,yizhang82/coreclr,hseok-oh/coreclr,parjong/coreclr,parjong/coreclr,poizan42/coreclr,JosephTremoulet/coreclr,rartemev/coreclr,ruben-ayrapetyan/coreclr,botaberg/coreclr,JonHanna/coreclr,ruben-ayrapetyan/coreclr,kyulee1/coreclr,parjong/coreclr,rartemev/coreclr,krk/coreclr,wateret/coreclr,poizan42/coreclr,kyulee1/coreclr,botaberg/coreclr,yizhang82/coreclr,hseok-oh/coreclr,wtgodbe/coreclr,wateret/coreclr,AlexGhiondea/coreclr,dpodder/coreclr,ruben-ayrapetyan/coreclr,wateret/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,cshung/coreclr,poizan42/coreclr,parjong/coreclr,hseok-oh/coreclr,hseok-oh/coreclr,AlexGhiondea/coreclr,mmitche/coreclr,ruben-ayrapetyan/coreclr,wateret/coreclr,yizhang82/coreclr,AlexGhiondea/coreclr,krk/coreclr,cshung/coreclr,AlexGhiondea/coreclr,botaberg/coreclr,yizhang82/coreclr,yizhang82/coreclr,JonHanna/coreclr,krk/coreclr,AlexGhiondea/coreclr,russellhadley/coreclr,kyulee1/coreclr,parjong/coreclr,ruben-ayrapetyan/coreclr,rartemev/coreclr,cshung/coreclr,ruben-ayrapetyan/coreclr,wateret/coreclr,wateret/coreclr,JosephTremoulet/coreclr,mmitche/coreclr,poizan42/coreclr,dpodder/coreclr,mmitche/coreclr,kyulee1/coreclr,mmitche/coreclr,JonHanna/coreclr,krk/coreclr,rartemev/coreclr,hseok-oh/coreclr,dpodder/coreclr,cshung/coreclr,mmitche/coreclr,JonHanna/coreclr,JosephTremoulet/coreclr,russellhadley/coreclr,botaberg/coreclr,krk/coreclr,wtgodbe/coreclr,parjong/coreclr,dpodder/coreclr,kyulee1/coreclr,botaberg/coreclr,JonHanna/coreclr,kyulee1/coreclr,botaberg/coreclr,JosephTremoulet/coreclr,krk/coreclr,cshung/coreclr,rartemev/coreclr,JosephTremoulet/coreclr,poizan42/coreclr,wtgodbe/coreclr,AlexGhiondea/coreclr,yizhang82/coreclr,russellhadley/coreclr,russellhadley/coreclr,russellhadley/coreclr,cshung/coreclr,russellhadley/coreclr