For decades, Hong Kong was the only place in China where the victims of the 1989 military crackdown on pro-democracy activists at Tiananmen Square in Beijing could be publicly mourned in a candlelight vigil. This year, Hong Kong is notable for all the ways it is being made to forget the 1989 massacre. In the days preceding the June 4 anniversary on Sunday, even small shops that displayed items alluding to the crackdown were closely monitored, receiving multiple visits from the police. Over the weekend, thousands of officers patrolled the…