AMBARI-8987. Knox user and group should not support final. (akovalenko)

ambari-server/src/main/resources/common-services/KNOX/0.5.0.2.2/configuration/knox-env.xml

@@ -20,7 +20,7 @@
  */
 -->
 
-<configuration supports_final="true">
+<configuration supports_final="false">
     <!-- knox-env.sh -->
 
     <property require-input="true">