test(integration): delete flaky team model TPM concurrency test

[kerry-berri]

Summary

Deletes tests/integration/routing/test_team_model_tpm_limit.py, whose only test, test_concurrent_team_model_tpm_requests_reserve_tokens_before_reaching_the_provider, failed intermittently on main (6 of the last 22 CircleCI runs, always (429, 429, 429) instead of (200, 429, 429))

The failure is real limiter behavior, not a test bug. Under a request-scoped Redis batch, _atomic_lua_per_descriptor in litellm/proxy/hooks/parallel_request_limiter_v3.py pipelines the model_per_key and model_per_team Lua calls together, so concurrent requests can each reserve one counter and all get rejected before the refunds land. It reproduced locally 1 time in 50 with pipelining on and 0 in 50 with it off. The fix was put on hold (#46494 closed for now), so this removes the flake from the integration suite until the limiter is revisited

Caveats

• Nothing else covers concurrent team per-model TPM reservations end to end, so a regression there will not show up in integration CI after this lands

Link to Devin session: https://app.devin.ai/sessions/b692f38aa3154bac8d195178279a7b1c
Open in Devin Desktop: https://app.devin.ai/desktop/session/b692f38aa3154bac8d195178279a7b1c?variant=devin
Requested by: @kerrylu-berri

[devin-ai-integration]

I'll fix CI failures and address comments from users with write access. I'll skip comments containing "(aside)".

• Disable automatic comment, CI, and merge conflict monitoring

[CLAassistant]

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[kerry-berri]

@litellm-stampbot

[litellm-stampbot]

litellm-stampbot: risk low

Approved at 561d881.

Rules (stampbot/risk_rules.yml):

• low: no rule flagged it

Judge: skipped, the rules alone decided.

Pushes do not re-run this check. Comment @litellm-stampbot again to re-check the new head.

[litellm-stampbot]

Low risk by rule and by judgement at 561d881

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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