Lift forcing of STA to single-threaded

Signed-off-by: Martin Povišer <povik@cutebit.org>

Author: povik

flow/scripts/load.tcl

@@ -3,10 +3,6 @@ source $::env(SCRIPTS_DIR)/util.tcl
 source $::env(SCRIPTS_DIR)/report_metrics.tcl
 
 proc load_design { design_file sdc_file } {
-  # Workaround for flaky STA under mutlithreading starting
-  # with the rel_3.0 upgrade
-  sta::set_thread_count 1
-
   # Do not reload if design is already loaded
   set db [ord::get_db]
   if { [$db getChip] != "NULL" && [[$db getChip] getBlock] != "NULL" } {