docs: remove refs to bob.extension and clean deps.

Remove the dependency to "child" packages for the documentation as it breaks the release process.

assigned to @ydayer

added 13 commits

• 05945d93...010dc728 - 12 commits from branch master
• d0f9669f - docs: remove refs to bob.extension and clean deps.

Compare with previous version

mentioned in commit 7b40a544

merged