Limit modules on the Orca preferences list (maybe the same on spd-say)

[Samuel Thibault]

Alex ARNAUD, le ven. 30 nov. 2018 11:06:39 +0100, a ecrit:
> It would be better to display or load dummy module only if it is needed (for
> example if it's the only one available).
> 
> How can we drop or disable the generic module from the list?

We can probably blacklist these two.

> Even me, I don't know what generic module is intended to do.

The module itself is not useful alone, it's only useful with a
proper configuration file, such as pico-generic.conf

Samuel