Remove MatchReason enum and associated uses

[skhamis]

fixes #5900

Pull Request checklist

• Breaking changes: This PR follows our breaking change policy
  • This PR follows the breaking change policy:
    • This PR has no breaking API changes, or
    • There are corresponding PRs for our consumer applications that resolve the breaking changes and have been approved
• Quality: This PR builds and tests run cleanly
  • Note:
    • For changes that need extra cross-platform testing, consider adding [ci full] to the PR title.
    • If this pull request includes a breaking change, consider cutting a new release after merging.
• Tests: This PR includes thorough tests or an explanation of why it does not
• Changelog: This PR includes a changelog entry in CHANGELOG.md or an explanation of why it does not need one
  • Any breaking changes to Swift or Kotlin binding APIs are noted explicitly
• Dependencies: This PR follows our dependency management guidelines
  • Any new dependencies are accompanied by a summary of the due dilligence applied in selecting them.

Branch builds: add [firefox-android: branch-name] to the PR title.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (315850d) 36.54% compared to head (3b9f097) 36.57%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5901      +/-   ##
==========================================
+ Coverage   36.54%   36.57%   +0.03%     
==========================================
  Files         348      348              
  Lines       33723    33691      -32     
==========================================
  Hits        12324    12324              
+ Misses      21399    21367      -32     

Files	Coverage Δ
components/places/src/api/matcher.rs	0.00% <ø> (ø)
components/places/src/ffi.rs	0.00% <ø> (ø)

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[lougeniaC64]

Moar code removal! DELETE ALL THE THINGS!!