Trying to fix broken unit tests on main

[Shivs11]

This reverts commit b55fbfc.

What changed?

• Just reverting the above commit.

Why?

• This commit, I think, was causing existing unit-tests to timeout consistently. Reverting this should unblock the team from merging things in the temporal repo.

How did you test it?

• built
• run locally and tested manually
• covered by existing tests
• added new unit test(s)
• added new functional test(s)

Potential risks

• Not risky

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Note

Sticky task queues now fetch user data from the workflow root partition instead of a hashed normal partition; removes hashing logic and farm dependency.

• Matching / user data fetching:
  • Sticky task queues now query user data from workflow RootPartition() instead of selecting a normal partition via hashing.
  • Removed consistent-partition hashing logic and the go-farm dependency.

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