[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.
.. _bwcompat_module:
:mod:`cubicweb.pyramid.bwcompat`
--------------------------------
.. automodule:: cubicweb.pyramid.bwcompat
.. autofunction:: includeme
.. autoclass:: PyramidSessionHandler
:members:
.. autoclass:: CubicWebPyramidHandler
:members:
.. automethod:: __call__
.. autoclass:: TweenHandler
:members: