Remove unused method

Author: ardakuyumcu

flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/utils/bluegreen/BlueGreenUtils.java

@@ -59,27 +59,6 @@ public class BlueGreenUtils {
 
     // ==================== Spec Operations ====================
 
-    /**
-     * Adjusts name references in a spec by replacing deployment names with child deployment names.
-     *
-     * @param spec the spec to adjust
-     * @param deploymentName the original deployment name
-     * @param childDeploymentName the child deployment name to replace with
-     * @param wrapperKey the JSON wrapper key
-     * @param valueType the spec type
-     * @return adjusted spec with name references updated
-     */
-    public static <T> T adjustNameReferences(
-            T spec,
-            String deploymentName,
-            String childDeploymentName,
-            String wrapperKey,
-            Class<T> valueType) {
-        String serializedSpec = SpecUtils.writeSpecAsJSON(spec, wrapperKey);
-        String replacedSerializedSpec = serializedSpec.replace(deploymentName, childDeploymentName);
-        return SpecUtils.readSpecFromJSON(replacedSerializedSpec, wrapperKey, valueType);
-    }
-
     /**
      * Checks if the Blue/Green deployment spec has changed compared to the last reconciled spec.
      *