Arm backend: Remove test name convention and validation

[martinlsm]

It has been decided to remove test name convention because the benefit of it is not worth the maintenance cost. This patch removes test the validation script that was run by the pre-push hook.

cc @digantdesai @freddan80 @per @zingo @oscarandersson8218 @mansnils @Sebastian-Larsson @robell

[pytorch-bot]

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❌ 2 New Failures, 1 Cancelled Job, 3 Unrelated Failures

As of commit 5965653 with merge base 93960e5 ():

NEW FAILURES - The following jobs have failed:

• pull / test-samsung-models-linux / linux-job (gh)
  test_inception_v3_fp16
• trunk / test-arm-backend-vkml (test_pytest_ops_vkml) / linux-job (gh)
  RuntimeError: Command docker exec -t 283323a6238856e7241a9b3bdc4f0ae9a1cf14db6c93b563223bd653e638df12 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• trunk / unittest-release / macos / macos-job (gh)
  ##[error]The operation was canceled.

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

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

• pull / unittest / windows / windows-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• pull / unittest-editable / windows / windows-job (gh) (trunk failure)
  ##[error]The operation was canceled.
• trunk / unittest-release / windows / windows-job (gh) (trunk failure)
  ##[error]The operation was canceled.

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[martinlsm]

@pytorchbot label ciflow/trunk

[martinlsm]

@pytorchbot label "partner: arm"

[martinlsm]

@pytorchbot label "release notes: none"

[Copilot]

Pull request overview

Removes the Arm backend’s test-name convention enforcement by deleting the supporting validation/parsing scripts and removing the corresponding pre-push hook check.

Changes:

• Delete the Python utilities used to collect tests and validate Arm test naming conventions.
• Remove the “Test name checks” block from the Arm pre-push script so the validation no longer runs.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
backends/arm/scripts/testname_rules/validate_test_names.py	Removed the CLI entrypoint that applied naming rules to collected tests.
backends/arm/scripts/testname_rules/parse_test_names.py	Removed the name parsing/validation logic and violation reporting types.
backends/arm/scripts/testname_rules/collect_tests.py	Removed AST-based test discovery used by the validator.
backends/arm/scripts/testname_rules/collect_testname_resources.py	Removed generation of allowed targets/ops/models/passes used by name parsing.
backends/arm/scripts/pre-push	Removed invocation of the test-name validation from the pre-push checks.

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[zingo]

removed file is only used by pre-push no buck2 problems