New York City first responders gathered for an emotional prayer vigil at Coney Island’s Wall of Remembrance on Thursday, one day before the 19th anniversary of the deadly attacks of Sept. 11. Keeping with social distancing guidelines amid the COVID-19 pandemic, organizers of the annual candlelight ceremony at the 9/11 memorial instead held a small observance for mourners to stop by the wall to light a candle, say a prayer, and pay their respects to those lost. Members of the FDNY and NYPD are clad in face masks for a scaled-back version of the annual prayer vigil…