Shared: Remove the backwards compatbility flag.

Author: michaelnebel

misc/scripts/models-as-data/generate_flow_model.py

@@ -84,11 +84,6 @@ def make(language):
             generator.printHelp()
             sys.exit(0)
 
-        # Convert --with-mixed-summaries to --with-summaries for backward compatibility
-        if "--with-mixed-summaries" in sys.argv:
-            sys.argv.remove("--with-mixed-summaries")
-            sys.argv.append("--with-summaries")
-
         if "--with-sinks" in sys.argv:
             sys.argv.remove("--with-sinks")
             generator.generateSinks = True