Remove the dead code, and allow clobber of validators too.
Remove the dead code, and allow clobber of validators too.

rTreutlein/atomspace,AmeBel/atomspace,misgeatgit/atomspace,misgeatgit/atomspace,misgeatgit/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,misgeatgit/atomspace,rTreutlein/atomspace,rTreutlein/atomspace,AmeBel/atomspace,AmeBel/atomspace,AmeBel/atomspace,AmeBel/atomspace,rTreutlein/atomspace