Inside trusty PMMLAssembler:
1. copy/refactor isjPMMLAvailableToClassLoader (from legacy PMMLAssembler)
2. modify

private static boolean isToEnable() 

to always return "false" when jpmml is present

Inside legacy PMMLAssembler:
1. modify

  private static boolean isToEnable() 

to always return "false" when jpmml is present
2. remove isjPMMLAvailableToClassLoader invocation from

    private void addPackage(Resource resource) 

3. modify isjPMMLAvailableToClassLoader to log when jpmml is present