removing composer.lock for php5.4 tests
removing composer.lock for php5.4 tests

iMi-digital/iRobo,iMi-digital/iRobo,boedah/Robo,Korikulum/Robo,iMi-digital/iRobo,duxet/Robo,Codegyre/Robo,davidrjonas/Robo,duxet/Robo