Revert "intel_agp: fix stolen mem range on G33"

This reverts commit f443675affe3f16dd428e46f0f7fd3f4d703eeab, which
breaks horribly if you aren't running an unreleased xf86-video-intel
driver out of git.

Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Zhenyu Wang <zhenyu.z.wang@intel.com>
Acked-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/agp/intel-agp.c

@@ -506,11 +506,6 @@ static void intel_i830_init_gtt_entries(void)
 			break;
 		}
 	} else {
-		/* G33's GTT stolen memory is separate from gfx data
-		 * stolen memory.
-		 */
-		if (IS_G33)
-			size = 0;
 		switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
 		case I855_GMCH_GMS_STOLEN_1M:
 			gtt_entries = MB(1) - KB(size);