bug#16313: 24.3; package-delete does not update package-alist

[Bastien]

Glenn Morris <rgm@gnu.org> writes:

> Bastien Guerry wrote:
>
>> Still, package-delete did not cleanly delete the package from
>> package-alist, only its description.
>
> _Should_ it remove the entire entry? It's not obvious to me, given eg
> the way package-installed-p works.

I've read through the code and I think package-delete should remove
the entire entry.  The docstring of package-alist also suggests so.

Let me know if I'm wrong.

-- 
 Bastien