remove (unused) HailContext.eval (#3736)
remove (unused) HailContext.eval (#3736)


hail-is/hail,cseed/hail,cseed/hail,danking/hail,cseed/hail,cseed/hail,danking/hail,danking/hail,cseed/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,hail-is/hail,hail-is/hail,cseed/hail,danking/hail,cseed/hail,danking/hail,hail-is/hail,hail-is/hail,hail-is/hail,danking/hail,danking/hail