chore: Remove kamon (DEV-3261)

[siers]

Turns out InstrumentationSupport was almost all dead code, other than the two lines I inlined in AroundDirectives.

Pull Request Checklist

Task Description/Number

Issue Number: DEV-

PR Type

• build/chore: maintenance tasks (no production code change)
• docs: documentation changes (no production code change)
• feat: represents new features
• fix: represents bug fixes
• perf: performance improvements
• refactor: represents production code refactoring
• test: adding or refactoring tests (no production code change)

Basic requirements for bug fixes and features

• Tests for the changes have been added
• Docs have been added / updated

Does this PR introduce a breaking change?

• Yes

Does this PR change client-test-data?

• Yes

[linear]

DEV-3261 Replace kamon with zio-metric

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eac5751) 11.74% compared to head (2ffd702) 88.62%.
Report is 56 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3030       +/-   ##
===========================================
+ Coverage   11.74%   88.62%   +76.88%     
===========================================
  Files         246      259       +13     
  Lines       22907    22859       -48     
===========================================
+ Hits         2690    20259    +17569     
+ Misses      20217     2600    -17617     

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[mpro7]

Thanks for cleaning it up :)