Apply suggestion from @shwstppr

Author: shwstppr

framework/extensions/src/test/resources/org/apache/cloudstack/framework/extensions/util/testmanifest.yaml

@@ -40,7 +40,6 @@ spec:
       minVersion: 4.23.0
 
   entrypoint:
-    language: python
     path: test.py
     targetDir: /usr/share/cloudstack-management/extensions/test