Cleanup examples README.md

[lalitb]

Changes

As of now, the examples directory only contains the traceresponse example, so updated accordingly.

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c841fba) 40.4% compared to head (1749413) 40.4%.

Additional details and impacted files

@@          Coverage Diff          @@
##            main     #12   +/-   ##
=====================================
  Coverage   40.4%   40.4%           
=====================================
  Files         12      12           
  Lines       1277    1277           
=====================================
  Hits         516     516           
  Misses       761     761           

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