ci: remove erroneously committed breakpoint [backport 1.18] (#6653)

Backport 28413cc from #6625 to 1.18.

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
in the PR.
- [x] Risk is outlined (performance impact, potential for breakage,
maintainability, etc).
- [x] Change is maintainable (easy to change, telemetry, documentation).
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[applicable](https://ddtrace.readthedocs.io/en/latest/contributing.html#backporting))

## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
- [x] Description motivates each change.
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[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [x] Testing strategy adequately addresses listed risk(s).
- [x] Change is maintainable (easy to change, telemetry, documentation).
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implications of this PR as reported in the benchmarks PR comment.
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[release branch maintenance
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Co-authored-by: Emmett Butler <[email protected]>

tests/contrib/psycopg/test_psycopg_async.py

@@ -337,7 +337,6 @@ async def test_cursor_context_execute(self):
 
         query = SQL("""select 'one' as x""")
         async with (await psycopg.AsyncConnection.connect(**POSTGRES_CONFIG)).cursor() as cur:
-            breakpoint()
             await cur.execute(query)
             rows = await cur.fetchall()