[fix][doc] fix doc related to chunk message feature. (#24023)

pulsar-client-api/src/main/java/org/apache/pulsar/client/api/ProducerBuilder.java

@@ -328,12 +328,11 @@ public interface ProducerBuilder<T> extends Cloneable {
      * of the pulsar producer and consumer is recommended to use this feature:
      *
      * <pre>
-     * 1. This feature is currently only supported for non-shared subscriptions and persistent topics.
-     * 2. Disable batching to use chunking feature.
-     * 3. Pulsar-client stores published messages in buffer cache until it receives acknowledgement from the broker.
+     * 1. Disable batching to use chunking feature.
+     * 2. Pulsar-client stores published messages in buffer cache until it receives acknowledgement from the broker.
      * Therefore, it's best practice to reduce the "maxPendingMessages" size to avoid the producer occupying large
      * amounts of memory with buffered messages.
-     * 4. Set message-ttl on the namespace to clean up incomplete chunked messages.
+     * 3. Set message-ttl on the namespace to clean up incomplete chunked messages.
      * (If a producer fails to publish an entire large message, the consumer will be unable to consume and acknowledge
      * those messages. These messages can only be discarded by message TTL or by configuring
      * {@link ConsumerBuilder#expireTimeOfIncompleteChunkedMessage}.