pybind11: delete DFT_ground_state::band (has been removed)
pybind11: delete DFT_ground_state::band (has been removed)

toxa81/sirius,electronic-structure/sirius,electronic-structure/sirius,toxa81/sirius,toxa81/sirius,toxa81/sirius,toxa81/sirius,toxa81/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius,electronic-structure/sirius