code: public static boolean removeFiles(String destinationType) {
  		LogRepositoryManager destManager = getManager(destinationType) ;
  		if (destManager instanceof LogRepositoryManagerImpl)
  			return destManager.purgeOldFiles() ;
  		else
  			return false ;
  	}
docs: remove files from appropriate destination.  Called by receiver of interProcess communication on parent process
  @param destinationType Type of destination/repository
  @return boolean, true = success, false = failed to remove files