docs(docgen): remove ToC from doc and doc template

[SamyOubouaziz]

• Removed the section from the doc template that creates tables of contents at the begining of markdown tables, as GitHub/doc website natively provide an outline for markdown files.
• Rebuilt the documentation pages.

Release note for CHANGELOG:

Removed automatically-generated table of contents at the begining of documentation pages.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 50.67%. Comparing base (5800b13) to head (57e13fd).
⚠️ Report is 3 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5693      +/-   ##
==========================================
- Coverage   50.68%   50.67%   -0.01%     
==========================================
  Files         340      340              
  Lines       78083    78094      +11     
==========================================
  Hits        39577    39577              
- Misses      37010    37021      +11     
  Partials     1496     1496              

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