Use static linkage for CUDA runtime

[bdice]

Summary

• Remove cuda-cudart from run requirements in conda recipes

With static linking of the CUDA runtime (the default for C++ and Python packages), the runtime is embedded in the binaries and the cuda-cudart package is not needed at runtime.

Part of https://github.com/rapidsai/build-planning/issues/235

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[jakirkham]

Thanks Bradley! 🙏

The commit history is pulling in a bunch of old commits from past releases. Could we please rebase this?