revert: countly app key

[przemvs]

Description

Checklist

• mentions the JIRA issue in the PR name (Ex. WPB-423)
• PR has been self reviewed by the author;
• Hard-to-understand areas of the code have been commented;
• If it is a core feature, unit tests have been added;

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.39%. Comparing base (956ad03) to head (2a9aa9b).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #18113   +/-   ##
=======================================
  Coverage   46.39%   46.39%           
=======================================
  Files         794      794           
  Lines       25594    25594           
  Branches     5852     5852           
=======================================
  Hits        11875    11875           
  Misses      12233    12233           
  Partials     1486     1486