review and rebased

Author: mjsax

server-common/src/main/java/org/apache/kafka/server/common/MetadataVersion.java

@@ -155,7 +155,7 @@ public enum MetadataVersion {
      * <strong>Think carefully before you update this value. ONCE A METADATA VERSION IS PRODUCTION,
      * IT CANNOT BE CHANGED.</strong>
      */
-    public static final MetadataVersion LATEST_PRODUCTION = IBP_4_0_IV3; // when do we update this to `IBP_4_1_IV2`+
+    public static final MetadataVersion LATEST_PRODUCTION = IBP_4_0_IV3;
     // If you change the value above please also update
     // LATEST_STABLE_METADATA_VERSION version in tests/kafkatest/version.py