Remove undocumented getLogLevel

[schmidt-sebastian]

This removes the undocumented Firestore.logLevel API and makes setLogLevel a tree-shakeable function (even in the old SDK).

[changeset-bot]

🦋 Changeset detected

Latest commit: c25c30d

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

This PR includes changesets to release 8 packages

Name	Type
firebase	Major
@firebase/firestore	Major
@firebase/rules-unit-testing	Patch
rxfire	Major

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[google-oss-bot]

Binary Size Report

Affected SDKs

• @firebase/firestore

  Type	Base (ffef32e)	Head (37e3042)	Diff
  browser	249 kB	249 kB	-353 B (-0.1%)
  esm2017	198 kB	197 kB	-233 B (-0.1%)
  main	484 kB	484 kB	-407 B (-0.1%)
  module	247 kB	246 kB	-300 B (-0.1%)
  react-native	198 kB	197 kB	-228 B (-0.1%)

• @firebase/firestore/memory

  Type	Base (ffef32e)	Head (37e3042)	Diff
  browser	186 kB	186 kB	-354 B (-0.2%)
  esm2017	148 kB	147 kB	-230 B (-0.2%)
  main	356 kB	356 kB	-407 B (-0.1%)
  module	184 kB	184 kB	-295 B (-0.2%)
  react-native	148 kB	148 kB	-228 B (-0.2%)

• firebase

  Type	Base (ffef32e)	Head (37e3042)	Diff
  firebase-firestore.js	286 kB	286 kB	-311 B (-0.1%)
  firebase-firestore.memory.js	225 kB	225 kB	-311 B (-0.1%)
  firebase.js	831 kB	830 kB	-317 B (-0.0%)

Test Logs

• Base (ffef32e3): https://github.com/firebase/firebase-js-sdk/actions/runs/309413549
• Head (37e30420): https://github.com/firebase/firebase-js-sdk/actions/runs/309420473

[google-oss-bot]

Size Analysis Report

Affected Products

No changes between base commit (ffef32e) and head commit (37e3042).

Test Logs

• Base (ffef32e3): https://github.com/firebase/firebase-js-sdk/actions/runs/309413549
• Head (37e30420): https://github.com/firebase/firebase-js-sdk/actions/runs/309420473

[wu-hui]

LGTM, let's see if I have power now.