refactor: output sparse DMR by Output_HContainer instead of output_dm1.h/cpp

[pxlxingliang]

• output sparse DMR by Output_HContainer instead of output_dm1.h/cpp, and is not related to LOC now.
• remove the useless output_dm1.h/cpp and write_dm_sparse.h/cpp
• remove the useless unitcell in Output_HContainer

The output of DMR in npz format is not changed in this PR, and I will push a new commit after this PR.

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Linked Issue

Fix #4368

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