chore: Remove Google Analytics

[gzurowski]

Google Analytics signals are disabled for a long time:

    def ready(self):
        # Disabling google analytics
        # import google_analytics.signals  # noqa: F401
        return

Additionally, Google has replaces Universal Analytics, see: https://support.google.com/analytics/answer/11583528

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.49%. Comparing base (6f325f6) to head (b063b97).
Report is 5 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2125      +/-   ##
==========================================
- Coverage   67.51%   67.49%   -0.03%     
==========================================
  Files         434      430       -4     
  Lines       24199    24001     -198     
==========================================
- Hits        16339    16200     -139     
+ Misses       7860     7801      -59     

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