Remove all usages of ExtendedLog*

[breedx-splk]

This includes:

• ExtendedLogger
• ExtendedLogRecordBuilder
• ExtendedLogRecord
• ExtendedLogRecordData

We originally used these while the event name field on logs was incubating, but it's stable now and these extended usages are superfluous.

[codecov]

Codecov Report

❌ Patch coverage is 70.00000% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.94%. Comparing base (98071d6) to head (a4c44c3).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
...on/library/log/internal/LogRecordBuilderCreator.kt	0.00%	3 Missing ⚠️
..._0/websocket/internal/WebsocketEventGenerator.java	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1280      +/-   ##
==========================================
- Coverage   64.30%   63.94%   -0.37%     
==========================================
  Files         142      142              
  Lines        3012     3045      +33     
  Branches      296      302       +6     
==========================================
+ Hits         1937     1947      +10     
- Misses        998     1020      +22     
- Partials       77       78       +1     

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[fractalwrench]

LGTM

[marandaneto]

noice