Update readme.java.md (#25921)

* Update readme.java.md

* update directive

* remove track 1 settings

Author: haolingdong-msft

specification/kubernetesconfiguration/resource-manager/readme.java.md

@@ -4,12 +4,15 @@ These settings apply only when `--java` is specified on the command line.
 Please also specify `--azure-libraries-for-java-folder=<path to the root directory of your azure-libraries-for-java clone>`.
 
 ``` yaml $(java)
-azure-arm: true
-fluent: true
-namespace: com.microsoft.azure.management.kubernetesconfiguration
-license-header: MICROSOFT_MIT_NO_CODEGEN
-payload-flattening-threshold: 1
-output-folder: $(azure-libraries-for-java-folder)/azure-mgmt-kubernetesconfiguration
+directive:
+  - from: fluxconfiguration.json
+    where: $.definitions.KustomizationDefinition.properties.wait
+    transform: >
+      $["x-ms-client-name"] = "enableWait"
+  - from: fluxconfiguration.json
+    where: $.definitions.KustomizationPatchDefinition.properties.wait
+    transform: >
+      $["x-ms-client-name"] = "enableWait"
 ```
 
 ### Java multi-api