Relax the placement density on gf12/ariane to resolve grt failure

Signed-off-by: Matt Liberty <[email protected]>

Author: maliberty

flow/designs/gf12/ariane/config.mk

@@ -27,8 +27,6 @@ export PLACE_PINS_ARGS = -exclude left:0-150 -exclude left:450-600 -exclude righ
 export MACRO_PLACE_HALO = 7 7 
 export MACRO_PLACE_CHANNEL = 14 14
 
-export PLACE_DENSITY_LB_ADDON = 0.05
-
 export MACRO_WRAPPERS = ./designs/$(PLATFORM)/$(DESIGN_NICKNAME)/wrappers.tcl
 
 ifneq ($(USE_FILL),)