mock-array: cleanup

Use TNS_END_PERCENT default, 5. 100 was copied from
some other project and caused confusion with CTS overflowing with hold
cells, which is a tougher error to track down than a hold violation
in the OpenROAD GUI

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/designs/asap7/mock-array/config.mk

@@ -34,8 +34,6 @@ export IO_CONSTRAINTS        = designs/asap7/mock-array/io.tcl
 
 export PDN_TCL               = designs/asap7/mock-array/pdn.tcl
 
-export TNS_END_PERCENT       = 100
-
 # Target to force generation of Verilog per user settings MOCK_ARRAY_TABLE (rows, cols)
 verilog:
 	export MOCK_ARRAY_ROWS=$(word 1, $(MOCK_ARRAY_TABLE)) ; \