misc: Remove brackets around target_time #380

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	52m 56s
pytest-ubuntu-py311-gcc11-noomp-adjoint	37m 10s
pytest-ubuntu-py312-gcc12-omp-base	1h 4m 57s
pytest-ubuntu-py312-gcc12-omp-adjoint	49m 7s
pytest-ubuntu-py39-gcc7-omp-base	51m 44s
pytest-ubuntu-py39-gcc7-omp-adjoint	37m 26s
pytest-ubuntu-py310-gcc10-noomp-base	50m 12s
pytest-ubuntu-py310-gcc10-noomp-adjoint	37m 42s
pytest-ubuntu-py312-gcc13-omp-base	1h 5m 23s
pytest-ubuntu-py312-gcc13-omp-adjoint	48m 40s
pytest-ubuntu-py39-gcc9-omp-base	50m 44s
pytest-ubuntu-py39-gcc9-omp-adjoint	37m 31s
pytest-osx-py312-clang-omp-base	45m 14s
pytest-docker-py39-gcc-omp-base	45m 55s
pytest-docker-py39-gcc-omp-adjoint	35m 59s
pytest-docker-py39-icx-omp-base	39m 7s
pytest-docker-py39-icx-omp-adjoint	34m 8s
	13h 3m 55s

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