Remove code that disables pin-to-host optimization. It's disabled by default and we already have XLA presubmit that will catch any issues when the optimization is reenabled.
Remove code that disables pin-to-host optimization. It's disabled by default and we already have XLA presubmit that will catch any issues when the optimization is reenabled.

PiperOrigin-RevId: 284078252

alexgorban/models,alexgorban/models,alexgorban/models,tombstone/models,tombstone/models,alexgorban/models,tombstone/models,tombstone/models,tombstone/models,tombstone/models,alexgorban/models