bug#23042: Deleted eieio-all-generic-functions still used by semanticdb-find-tags-external-children-of-type-method

[Stefan Monnier]

> And indeed eieio-all-generic-functions was deleted Jul 2015 in
> 59b5723c9b61. It seems it was replaced with cl--generic-all-functions,
> so perhaps db-el should be using that.

Indeed.  Of course being a "cl--" it shouldn't be used outside of
cl*.el.

OTOH this kind of introspection is clearly useful so we should export
that kind of functionality.  So maybe cl--generic-all-functions should
be renamed to cl-generic-all-functions.


        Stefan