viable/strict/1789802803: [distributed] Shorten deleted-key store timeout (#197631)

发生了什么

Use a one-millisecond timeout only for the get on a deleted key. Restore the original two-second budget before successful operations, preserving assertions and both TCP backends. Test plan: Source build and targeted lint pass. Both tests pass: baseline 4.102s versus 0.090s; three post-build repeats pass. Pull Request resolved: #197631 Approved by: https://github.com/pytorchgreenlight ghstack dependencies: #197629 ,…

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