i965/gen7: Remove stale comment.

This field is actually set up above.

NOTE: This is a candidate for the 8.0 branch, to avoid conflicts.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Chad Versace <chad.versace@linux.intel.com>

src/mesa/drivers/dri/i965/gen7_wm_surface_state.c

@@ -94,7 +94,6 @@ gen7_update_texture_surface(struct gl_context *ctx, GLuint unit)
    gen7_set_surface_tiling(surf, intelObj->mt->region->tiling);
 
    /* ss0 remaining fields:
-    * - vertical_alignment
     * - horizontal_alignment
     * - vert_line_stride (exists on gen6 but we ignore it)
     * - vert_line_stride_ofs (exists on gen6 but we ignore it)