Friends and colleagues of an East Harlem delivery worker are reeling on Tuesday after masked ICE agents grabbed him off the street as he left for work Monday. Associates of Dany Santiago Chacar Raquec, 23, told amNewYork that he received a DoorDash alert on his phone just before 6 p.m. on April 20, then tapped and accepted the delivery job. He grabbed his bicycle and headed out of his apartment near the corner of 106th Street and 1st Avenue, hop…