A career criminal with more than 100 arrests to his name was busted for cruelly shoving a 92-year-old woman into a Manhattan fire hydrant — leaving his victim too scared to walk alone in her own neighborhood. The injured elder, a Bronx native named Geraldine, spoke to The Post on Tuesday after cops arrested convicted sex offender Rashid Brimmage, 31, and charged him with attacking her. “I thought a brick hit me or something hit me on the left side of my head, and I went right down and hit my head against the hydrant,” Geraldine, who asked that her...