Remove unused botocore dependency

[iliakur]

What does this PR do?

Motivation

All integrations that use boto require it in their pyproject.toml files.
The base check itself doesn't use boto3.

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Add the qa/skip-qa label if the PR doesn't need to be tested during QA.
• If you need to backport this PR to another branch, you can add the backport/<branch-name> label to the PR and it will automatically open a backport PR once this one is merged

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.74%. Comparing base (375fab0) to head (254be75).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

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[datadog-datadog-prod-us1]

⚠️ Tests

✨ Fix all issues with Cursor

⚠️ Warnings

🧪 3 Tests failed

test_aws_auth_url[aws_host_custom_with_url] from test_unit.py (Datadog) (Fix with Cursor)

No module named 'botocore'

test_aws_auth_url[aws_host_from_url] from test_unit.py (Datadog) (Fix with Cursor)

No module named 'botocore'

test_aws_auth_url[aws_service_custom] from test_unit.py (Datadog) (Fix with Cursor)

No module named 'botocore'

ℹ️ Info

❄️ No new flaky tests detected

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