"Shota can't erase mutations, but if the mutation requires a degree of control, then that control can be erased, as it is part of the Quirk Factor that Shota can interrupt with his Quirk."
so...no-
SO WAIT WHAT WOULD HAPPEN IF ERASER HEAD USED HIS QUIRK ON MASHIRAO OJIRO SINCE HIS QUIRK IS LITERALLY HAVING A TAIL; WOULD HE LOSE CONTROL OF IT OR WOULD IT JUST DISAPPEAR? AND WOULD THAT LEAVE A HUGE HOLE IN HIS PANTS?