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

[Samuel Thibault]

Samuel Thibault, le ven. 30 nov. 2018 11:29:01 +0100, a ecrit:
> 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.

I have done so in the git.

Samuel