Remove r300 from default build.

configs/default

@@ -91,7 +91,7 @@ EGL_DRIVERS_DIRS = demo
 # Gallium directories and 
 GALLIUM_AUXILIARY_DIRS = draw translate cso_cache pipebuffer tgsi sct rtasm util
 GALLIUM_AUXILIARIES = $(foreach DIR,$(GALLIUM_AUXILIARY_DIRS),$(TOP)/src/gallium/auxiliary/$(DIR)/lib$(DIR).a)
-GALLIUM_DRIVER_DIRS = softpipe i915simple i965simple nv04 nv10 nv20 nv30 nv40 nv50 failover r300
+GALLIUM_DRIVER_DIRS = softpipe i915simple i965simple nv04 nv10 nv20 nv30 nv40 nv50 failover
 GALLIUM_DRIVERS = $(foreach DIR,$(GALLIUM_DRIVER_DIRS),$(TOP)/src/gallium/drivers/$(DIR)/lib$(DIR).a)
 GALLIUM_WINSYS_DIRS = xlib egl_xlib