Guard parsing of CLI args in launcher, setup scripts (#2432)

Signed-off-by: Toby Harradine <tobyharradine@gmail.com>

redbot/setup.py

@@ -371,6 +371,7 @@ async def remove_instance_interaction():
 
 
 def main():
+    args, _ = parse_cli_args()
     if args.delete:
         loop = asyncio.get_event_loop()
         loop.run_until_complete(remove_instance_interaction())
@@ -381,8 +382,6 @@ def main():
         basic_setup()
 
 
-args, _ = parse_cli_args()
-
 if __name__ == "__main__":
     try:
         main()