AMNESTY INTERNATIONAL Thursday urged Japan to abolish the death penalty and commute the death sentences of about 80 convicts . . . A FORMER NAZI SS soldier was convicted Thursday in Siegen, Germany, of torturing and killing Gypsies while he was a guard at the Auschwitz concentration camp during World War II. Ernst-August Koenig, 71, was sentenced to life in prison after a state court found him guilty of killing three inmates at the Auschwitz camp, in what is now Poland . . . PATTI FRUSTACI, who gave birth six years ago to septuplets after taking the fertility drug Pergonal has delivered twins produced with the help of the same drug. Patti and her husband, Sam, became the parents of a boy and girl Dec. 21 at Loma Linda Hospital in Riverside, Calif.