undo changes to variables.yaml

Signed-off-by: Eder Monteiro <[email protected]>

Author: eder-matheus

flow/scripts/variables.yaml

@@ -522,7 +522,6 @@ HOLD_SLACK_MARGIN:
     SETUP/HOLD_SLACK_MARGIN can be swept to find a plausible
     current minimum clock period.
   stages:
-    - place
     - cts
     - floorplan
     - grt