Remove action migrated to TeamCity

[axenteoctavian]

Reasoning behind the pull request

• Action was migrated to TeamCity

Proposed changes

Testing procedure

Pre-requisites

Based on the Contributing Guidelines the PR author and the reviewers must check the following requirements are met:

• was the PR targeted to the correct branch?
• if this is a larger feature that probably needs more than one PR, is there a feat branch created?
• if this is a feat branch merging, do all satellite projects have a proper tag inside go.mod?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.70%. Comparing base (be16396) to head (b1510e6).

Additional details and impacted files

@@                  Coverage Diff                   @@
##           feat/testnet-fixes    #7970      +/-   ##
======================================================
- Coverage               77.70%   77.70%   -0.01%     
======================================================
  Files                     893      893              
  Lines                  129697   129697              
======================================================
- Hits                   100784   100779       -5     
- Misses                  22325    22328       +3     
- Partials                 6588     6590       +2     

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The base branch was changed.