nvc0: don't make 1d staging textures linear

nvc0: don't make 1d staging textures linear

Experimentally, the sampler doesn't appear to like these, neither as
buffer nor as rect textures. So remove 1D from the list of texture types
to make linear when used for staging.

This fixes the OSD in mplayer for VDPAU.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: "10.2 10.3" <mesa-stable@lists.freedesktop.org>