Refactor: refactor `psi::memory` namespace and add `module_device` in `module_base`

[haozhihan]

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Linked Issue

Close #4095

Details

• We have noticed that the current code for heterogeneous computing heavily relies on the device and memory related functions under the module_psi/kernel/ folder.
• But these functions have gradually begun to serve the heterogeneous computing code of various parts in the entire Abacus software.

Therefore, the naming of the namespaces in module_psi/kernel/ code is no longer reasonable, the dependency relationships between modules are no longer reasonable, and the storage location is even more unreasonable.

Based on the above situation, I have refactored the code related heterogeneous computing in module_psi/kernel/.

[mohanchen]

[denghuilu]

LGTM! However, I find the namespace base_device a bit confusing since it's not a common convention. I've never seen a namespace used like this before. Would it be possible to use ModuleBase::device instead? I believe it would be more straightforward and easier to understand where the related codes come from.

[caic99]

@haozhihan Does the codes under source/module_psi/kernels is still required? If not so, please remove those files instead of commenting them out.