i965: Remove BRW_NEW_WM_INPUT_DIMENSIONS dirty bit.

This was only produced by the brw_wm_input_dimensions atom, which was
removed in the previous commit.  So there's no need for the dirty bit.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
3 files changed