[pulsar-server] minor: fix typo in service-config (#7248)

Motivation
Minor: fix ; typo in config.
diff --git a/pulsar-io/redis/src/main/java/org/apache/pulsar/io/redis/RedisAbstractConfig.java b/pulsar-io/redis/src/main/java/org/apache/pulsar/io/redis/RedisAbstractConfig.java
index 57fecf9..484bdfb 100644
--- a/pulsar-io/redis/src/main/java/org/apache/pulsar/io/redis/RedisAbstractConfig.java
+++ b/pulsar-io/redis/src/main/java/org/apache/pulsar/io/redis/RedisAbstractConfig.java
@@ -105,7 +105,7 @@
     }
 
     public List<HostAndPort> getHostAndPorts() {
-        List<HostAndPort> hostAndPorts = Lists.newArrayList();;
+        List<HostAndPort> hostAndPorts = Lists.newArrayList();
         Preconditions.checkNotNull(redisHosts, "redisHosts property not set.");
         String[] hosts = StringUtils.split(redisHosts, ",");
         for (String host : hosts) {