misc: Remove (object) in class definitions #6655

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	33m 12s
pytest-ubuntu-py311-gcc11-noomp-adjoint	27m 47s
pytest-ubuntu-py38-gcc12-omp-base	32m 41s
pytest-ubuntu-py38-gcc12-omp-adjoint	27m 57s
pytest-ubuntu-py38-gcc7-omp-base	31m 20s
pytest-ubuntu-py38-gcc7-omp-adjoint	27m 3s
pytest-ubuntu-py310-gcc10-noomp-base	32m 25s
pytest-ubuntu-py310-gcc10-noomp-adjoint	28m 6s
pytest-ubuntu-py312-gcc13-omp-base	44m 19s
pytest-ubuntu-py312-gcc13-omp-adjoint	35m 54s
pytest-ubuntu-py39-gcc9-omp-base	32m 43s
pytest-ubuntu-py39-gcc9-omp-adjoint	26m 53s
pytest-osx-py312-clang-omp-base	2m 34s
pytest-docker-py39-gcc-omp-base	33m 10s
pytest-docker-py39-gcc-omp-adjoint	26m 11s
pytest-docker-py39-icx-omp-base	28m 16s
pytest-docker-py39-icx-omp-adjoint	26m 31s
	8h 17m 2s

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