Do we really need avidemux-devel?

[Kevin Kofler]

Richard Shaw wrote:
> I was looking at an old bug[1] again and thought:
> 
> Why do we need avidemux-devel?
> 
> Is anyone building against it? It only contains one file
> "/usr/include/ADM_coreConfig.h" and has a multilib conflict.

Looks pretty clearly useless. Just rm -f the file in %install, kill the 
subpackage and add an Obsoletes for it to the main package.

        Kevin Kofler