[config] Ignore cubicweb-pyramid in available_cubes()
So that, in particular, its ccplugin.py does not get loaded (which would hide
the "pyramid" command in cubicweb).
Related to #14023058.
.. _login_module:
:mod:`cubicweb.pyramid.login`
-----------------------------
.. automodule:: cubicweb.pyramid.login
.. autofunction:: includeme
Views
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.. autofunction:: login_form
.. autofunction:: login_password_login
.. autofunction:: login_already_loggedin