remove explicit casts #16801

Job	Run time
checks / other-checks	44s
checks / check-style	43s
changed-files / Check changed files	16s
devcontainer / build (amd64, 12.5, conda)	1s
devcontainer / build (amd64, 12.5, pip)	12s
static-configure	1s
conda-cpp-build	1s
wheel-build-libcudf	1s
conda-cpp-tests	1s
conda-python-build	1s
conda-cpp-checks	1s
conda-java-tests	1s
wheel-build-pylibcudf	1s
conda-python-cudf-tests	1s
conda-python-other-tests	1s
conda-notebook-tests	1s
docs-build	1s
wheel-build-cudf	1s
wheel-build-cudf-polars	1s
wheel-build-dask-cudf	1s
unit-tests-cudf-pandas	1s
wheel-tests-cudf	1s
cudf-polars-polars-tests	1s
wheel-tests-cudf-polars	1s
pandas-tests	1s
wheel-tests-dask-cudf	1s
pandas-tests-diff	1s
pr-builder / run	1s
	2m 19s

Provide feedback