test_runner: remove unused callee convertion

[himself65]

Divided from #59220.

I just realized that it's not possible to be URL

node/lib/internal/test_runner/mock/mock.js

Line 655 in 0a52a24

const caller = hasFileProtocol ? filename : pathToFileURL(filename).href;

[nodejs-github-bot]

Review requested:

• @nodejs/test_runner

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.05%. Comparing base (6ea421a) to head (0a52a24).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #59221      +/-   ##
==========================================
- Coverage   90.06%   90.05%   -0.02%     
==========================================
  Files         648      648              
  Lines      191065   191064       -1     
  Branches    37456    37461       +5     
==========================================
- Hits       172092   172056      -36     
- Misses      11601    11638      +37     
+ Partials     7372     7370       -2     

Files with missing lines	Coverage Δ
lib/internal/test_runner/mock/mock.js	99.27% <100.00%> (-0.01%)	⬇️

... and 35 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/68214/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/68218/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/68221/

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/68222/