nv30: remove no-longer-used formats from table

Commit 14ee790df77 removed the formats from the vtxfmt_table but forgot
to also update the info_table.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "9.2 and 9.1" <mesa-stable@lists.freedesktop.org>