check if aligned pointer members must be last member data

[psychocoderHPC]

see: https://github.com/ComputationalRadiationPhysics/picongpu/pull/5080#discussion_r1751915952

This class does not respect the comment above, please check if the comment can be removed or if we need to change the member order.

[psychocoderHPC]

Please check https://github.com/ComputationalRadiationPhysics/picongpu/pull/1579 too. But most likely the issue is not present in modern nvcc anymore.