bzr-svn: disable file props completely?

[John Szakmeister]

Hey Jelmer,

I was looking through bzr-svn's dos, in particular spec/revprops.txt.
It made mention of support_legacy in the spec, but it doesn't exist in
the code.  I tried prodding around the code base to determine if there
was some way of forcing the setting of file properties to be disabled,
but didn't have much luck.  Is that possible?

-John