chore(services): delete all comment headers

[HugoPBrito]

Context

It was discussed previously that those header comments needed to be removed, and they have been gradually eliminated. However, some still remain. The task now is to remove the remaining ones.

Description

All header comments have been deleted and the dev guide has been updated reflecting this change.

Checklist

• Are there new checks included in this PR? No.
• Review if the code is being covered by tests.
• Review if code is being documented following this specification https://github.com/google/styleguide/blob/gh-pages/pyguide.md#38-comments-and-docstrings
• Review if backport is needed.
• Review if is needed to change the Readme.md

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

You can check the documentation for this PR here -> Prowler Documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.44%. Comparing base (54d87fa) to head (c421db4).
Report is 7 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6585      +/-   ##
==========================================
- Coverage   93.70%   89.44%   -4.27%     
==========================================
  Files          66     1182    +1116     
  Lines        6340    33785   +27445     
==========================================
+ Hits         5941    30219   +24278     
- Misses        399     3566    +3167     

Flag	Coverage Δ
api	?
prowler	89.44% <ø> (?)

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Components	Coverage Δ
prowler	89.44% <ø> (∅)
api	∅ <ø> (∅)