Drop pymdownx-superfence-filter-lines

[tefra]

📒 Description

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Resolves #xxxx

🔗 What I've Done

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💬 Comments

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🛫 Checklist

• Updated docs
• Added unit-tests
• Sample tests pass
• W3C tests pass

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (2d86be5) to head (f4a6a65).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1204   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          116       116           
  Lines         9360      9360           
  Branches      1432      1432           
=========================================
  Hits          9360      9360           

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