variables: fix make issue for generate_abstract

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

Author: oharboe

flow/scripts/variables.yaml

@@ -434,14 +434,6 @@ SDC_GUT:
 ADDITIONAL_FILES:
   description: >
     Additional files to be added to `make issue` archive.
-  stages:
-  - synth
-  - floorplan
-  - place
-  - cts
-  - grt
-  - route
-  - final
 ADDITIONAL_LEFS:
   description: >
     Hardened macro LEF view files listed here. The LEF information of the macros