[CI] Remove workaround for Codecov action issue

[valfirst]

codecov/codecov-action#330

https://docs.codecov.io/docs/about-the-codecov-bash-uploader#upload-token:

If you have a public project on TravisCI, CircleCI, AppVeyor, Azure Pipelines, or GitHub Actions an upload token is not required.

[codecov]

Codecov Report

Merging #1702 (0d9beeb) into master (c35a092) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1702   +/-   ##
=========================================
  Coverage     95.83%   95.83%           
  Complexity     5090     5090           
=========================================
  Files           716      716           
  Lines         14693    14693           
  Branches       1003     1003           
=========================================
  Hits          14081    14081           
  Misses          476      476           
  Partials        136      136           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c35a092...0d9beeb. Read the comment docs.

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information