[doc] Fix option_*() migration commands in doc
The function signature in the doc is not the same as in the code. Also option_removed should probably be removed from the doc since the function in migration.py is empty
Document: cubicweb-doc
Title: CubicWeb Documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/python-cubicweb-documentation/html/index.html
Files: /usr/share/doc/python-cubicweb-documentation/html/*