fix(snowflake): user_email_pattern

[sgomezvillamor]

Checklist

• The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• Links to related issues (if applicable)
• Tests for the changes have been added/updated (if applicable)
• Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
.../src/datahub/sql_parsing/sql_parsing_aggregator.py	33.33%	2 Missing ⚠️

❌ Your patch status has failed because the patch coverage (33.33%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage.

Files with missing lines	Coverage Δ
...src/datahub/ingestion/source/usage/usage_common.py	92.52% <ø> (ø)
.../src/datahub/sql_parsing/sql_parsing_aggregator.py	93.64% <33.33%> (-0.41%)	⬇️

... and 37 files with indirect coverage changes

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bde5c73...36a752b. Read the comment docs.

[sgomezvillamor]

This PR wrongly attempts to extend the responsibilities of user_email_pattern by including those of pushdown_deny_usernames.

So closing and superseded by PR #12527