remove bp_single '-no_insertion_delay'

Signed-off-by: arthurjolo <[email protected]>

Author: arthurjolo

flow/designs/gf12/bp_single/config.mk

@@ -66,8 +66,5 @@ else
 export DESIGN_TYPE = CHIP_NODEN
 endif
 
-# Override cts arguments to set `-no_insertion_delay`
-export CTS_ARGS = -no_insertion_delay -sink_clustering_enable -balance_levels -repair_clock_nets
-
 # enable slack margin for setup and hold fix after CTS
 export SETUP_SLACK_MARGIN ?= 100