Remove Unused Variable indexScores from fbcode/pytorch/audio/src/libtorchaudio/forced_align/gpu/compute.cu

[wenxin0319]

Summary:
From canary diff: D74892205

[2025-05-19T14:52:37.259-07:00] Stderr:
fbcode/pytorch/audio/src/libtorchaudio/forced_align/gpu/compute.cu:237:5: error: variable 'indexScores' set but not used [-Werror,-Wunused-but-set-variable]
  237 | int indexScores = 0;
      |     ^
1 error generated.

Eliminate the unused variable indexScores in fbcode/pytorch/audio/src/libtorchaudio/forced_align/gpu/compute.cu to resolve the -Wunused-but-set-variable warning.

Differential Revision: D75027221

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❌ 9 New Failures, 4 Pending, 2 Unrelated Failures

As of commit 4b2a9c5 with merge base ea5de17 ():

NEW FAILURES - The following jobs have failed:

• Build documentation / build / Build doc (gh)
  RuntimeError: Command docker exec -t 70507d932eaf020d52244f41205fc902df49489b4449f3d4d74579f0f2ea24dc /exec failed with exit code 1
• Integration Test / build (3.9) (gh)
  Process completed with exit code 1.
• Lint / python-source-and-configs / linux-job (gh)
  RuntimeError: Command docker exec -t 51fe6f7fb57548463fdf94519ca76794ef25fe3e21a4cef317da34331cc1ed9a /exec failed with exit code 1
• Unit-tests on Linux CPU / tests (3.10) / linux-job (gh)
  RuntimeError: Command docker exec -t 7a590b7995a70d094cfc0f53d90a921afe6dc594c17d589a22ff0572c51035a2 /exec failed with exit code 1
• Unit-tests on Linux CPU / tests (3.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 199b872e96d11870dfe58aa6d9172beb97c9cdf596e2d04c3afdab6e00cb77a1 /exec failed with exit code 1
• Unit-tests on Linux CPU / tests (3.9) / linux-job (gh)
  RuntimeError: Command docker exec -t f7e27035618e580ce3dc9d105086c79f39b83667faca4cfa1f99a901573424a0 /exec failed with exit code 1
• Unit-tests on Linux GPU / tests (3.10, 11.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 2b8837e7803c9f505b84d1e3aee30bcc81791e0a634a2b8d911f27ec0f470645 /exec failed with exit code 1
• Unit-tests on Linux GPU / tests (3.8, 11.8) / linux-job (gh)
  RuntimeError: Command docker exec -t ef9abe14487e49af356aee001d1d8bb3aa21f3320e00e7e7dea8524a13968c6f /exec failed with exit code 1
• Unit-tests on Linux GPU / tests (3.9, 11.8) / linux-job (gh)
  RuntimeError: Command docker exec -t 5a353412861d84994f4eb0c2a84f40920323f99872ce6e51a06ccbf358cad280 /exec failed with exit code 1

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• Unittests on Windows CPU / unittests-windows-cpu / windows-job (gh) (trunk failure)
  Process completed with exit code 1.
• Unittests on Windows GPU / unittests-windows-gpu / windows-job (gh) (trunk failure)

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This pull request was exported from Phabricator. Differential Revision: D75027221