chore(api-logs)!: remove ProxyLoggerProvider export

[david-luna]

Which problem is this PR solving?

Removes ProxyLoggerProvider class from the package exports .

Closes #6078

Short description of the changes

Type of change

Please delete options that are not relevant.

• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• ran all tests in the repo for all packages

Checklist:

• Followed the style guidelines of this project
• Unit tests have been updated

[david-luna]

note for reviewer: this and the changes below are leftovers from a previous PR. See #6319 (comment)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.46%. Comparing base (82ad3b7) to head (af37924).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6322   +/-   ##
=======================================
  Coverage   95.46%   95.46%           
=======================================
  Files         317      317           
  Lines        9602     9602           
  Branches     2221     2221           
=======================================
  Hits         9167     9167           
  Misses        435      435           

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[pichlermarc]

thanks!