Remove usages of rapids-env-update #307

Job	Run time
checks / check-style	1m 22s
checks / other-checks	1m 50s
conda-python-build / compute-matrix	4s
wheel-build / compute-matrix	4s
conda-python-build / build (11.8.0, ubuntu22.04, amd64, 3.9)	3m 5s
conda-python-build / build (11.8.0, ubuntu22.04, arm64, 3.9)	2m 28s
conda-python-build / build (11.8.0, ubuntu22.04, amd64, 3.10)	3m 14s
conda-python-build / build (11.8.0, ubuntu22.04, arm64, 3.10)	2m 31s
conda-python-build / build (12.0.1, ubuntu22.04, amd64, 3.9)	3m 12s
conda-python-build / build (12.0.1, ubuntu22.04, arm64, 3.9)	2m 29s
conda-python-build / build (12.0.1, ubuntu22.04, amd64, 3.10)	2m 59s
conda-python-build / build (12.0.1, ubuntu22.04, arm64, 3.10)	2m 26s
wheel-build / 11.8.0, 3.10, amd64, centos7	4m 23s
wheel-build / 12.0.1, 3.10, amd64, centos7	4m 10s
docs-build / build	6m 26s
conda-python-tests / compute-matrix	2s
conda-notebook-tests / build	10m 51s
conda-python-tests / tests (11.4.3, centos7, amd64, 3.9, v100, earliest)	6m 4s
conda-python-tests / tests (11.8.0, ubuntu22.04, amd64, 3.10, v100, latest)	6m 16s
conda-python-tests / tests (12.0.1, ubuntu22.04, amd64, 3.10, v100, latest)	5m 54s
conda-python-tests / tests (12.0.1, ubuntu22.04, arm64, 3.10, a100, latest)	7m 39s
wheel-tests / compute-matrix	2s
wheel-tests / 12.0.1, 3.10, amd64, ubuntu20.04, v100	8m 24s
pr-builder	0s
	1h 25m 55s

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