Remove duplicated filter (#14198)

### Motivation
remove duplicated filter for UniformLoadShedder#findBundlesForUnloading

### Modifications
1. correct the java doc for UniformLoadShedder
2. remove  duplicated filter for UniformLoadShedder#findBundlesForUnloading

pulsar-broker/src/main/java/org/apache/pulsar/broker/loadbalance/impl/UniformLoadShedder.java

@@ -37,9 +37,9 @@
 /**
  * This strategy tends to distribute load uniformly across all brokers. This strategy checks load difference between
  * broker with highest load and broker with lowest load. If the difference is higher than configured thresholds
- * {@link ServiceConfiguration#getLoadBalancerMsgRateDifferenceShedderThreshold()} and
- * {@link ServiceConfiguration#getLoadBalancerMsgRateDifferenceShedderThreshold()} then it finds out bundles which can
- * be unloaded to distribute traffic evenly across all brokers.
+ * {@link ServiceConfiguration#getLoadBalancerMsgRateDifferenceShedderThreshold()} or
+ * {@link ServiceConfiguration#loadBalancerMsgThroughputMultiplierDifferenceShedderThreshold()} then it finds out
+ * bundles which can be unloaded to distribute traffic evenly across all brokers.
  *
  */
 @Slf4j
@@ -148,7 +148,6 @@ public Multimap<String, String> findBundlesForUnloading(final LoadData loadData,
                                     : shortTermData.getMsgThroughputIn() + shortTermData.getMsgThroughputOut();
                             return Triple.of(bundle, bundleData, throughput);
                         }).filter(e -> !recentlyUnloadedBundles.containsKey(e.getLeft()))
-                        .filter(e -> overloadedBrokerData.getBundles().contains(e.getLeft()))
                         .sorted((e1, e2) -> Double.compare(e2.getRight(), e1.getRight())).forEach((e) -> {
                             String bundle = e.getLeft();
                             BundleData bundleData = e.getMiddle();