Revert "Mukernels strings (#17286)" #19968

Job	Run time
telemetry-setup	8s
check-nightly-ci	7s
changed-files / Check changed files	21s
devcontainer / amd64, 12.5, conda	29m 42s
checks / check-style	2m 54s
devcontainer / amd64, 12.5, pip	22m 56s
checks / other-checks	1m 4s
conda-cpp-build	0s
wheel-build-libcudf	0s
cpp-linters	0s
static-configure	0s
conda-cpp-checks	0s
conda-cpp-tests	0s
conda-python-build	0s
conda-java-tests	0s
wheel-build-pylibcudf	0s
conda-python-other-tests	0s
conda-python-cudf-tests	0s
docs-build	0s
conda-notebook-tests	0s
wheel-build-cudf	0s
wheel-build-cudf-polars	0s
wheel-build-dask-cudf	0s
wheel-tests-cudf	0s
unit-tests-cudf-pandas	0s
cudf-polars-polars-tests	0s
pandas-tests	0s
wheel-tests-cudf-polars	0s
wheel-tests-dask-cudf	0s
pandas-tests-diff	0s
pr-builder / run	1s
telemetry-summarize	17s
	57m 30s

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