remove deprecated and never used APIs

[cometkim]

No description provided.

[changeset-bot]

🦋 Changeset detected

Latest commit: cec360b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
unicode-segmenter	Minor

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.78%. Comparing base (483d258) to head (cec360b).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #72      +/-   ##
==========================================
- Coverage   99.79%   99.78%   -0.01%     
==========================================
  Files          18       18              
  Lines        2906     2776     -130     
==========================================
- Hits         2900     2770     -130     
  Misses          6        6              

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