libxml no longer needed

[Paul Howarth]

On Fri, 2006-09-01 at 18:35 -0400, Jesse Keating wrote:
> It's been discovered (thanks Bill) that nothing in Core or Extras seems
> to need libxml.  We'd like to kill it from the tree, before the freeze
> for Test3 (Tuesday).  Speak now, or forever hold your pieces of
> packages.

It's a dependency of libglade, which is up for review for entry into
Extras (#198244). If it's going from Core I'll pick it up for Extras.

Paul.