Remove add-ons mechanism

[Joseph Myers]

On Sat, 30 Sep 2017, Florian Weimer wrote:

> On 09/28/2017 07:49 PM, Joseph Myers wrote:
> > 	* configure.ac (--enable-add-ons): Remove option.
> 
> I'm in favor of this change.  I looked at the patch and I don't see anything
> obviously wrong with it.  The removal appears to be complete, and the things I
> tested appear to be working.

Does anyone else have any comments on this patch?

-- 
Joseph S. Myers
joseph@codesourcery.com