PR #12223: [GPU][NFC] Remove some uses of the deprecated runtime executable flag.
PR #12223: [GPU][NFC] Remove some uses of the deprecated runtime executable flag.

Imported from GitHub PR https://github.com/openxla/xla/pull/12223


Copybara import of the project:

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64be02d67df35156d4ee55ce0d3fbe80eff148ea by Ilia Sergachev <isergachev@nvidia.com>:

[GPU][NFC] Remove some uses of the deprecated runtime executable flag.

Merging this change closes #12223

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/12223 from openxla:flag_cleanup 64be02d67df35156d4ee55ce0d3fbe80eff148ea
