Wave Wire Services MEMPHIS, Tennessee – The family of a Black man who died after a vicious beating by police has removed five former officers from a $550 million civil lawsuit — a move that reportedly is aimed at avoiding long delays before trial and keeping the case moving forward. Court records show Tyre Nichols’ mother, Row Vaughn Wells, filed to dismiss Emmitt Martin III, Desmond Mills Jr., Tadarrius Bean, Demetrius Haley and Justin Smith fr…