[KYUUBI #1505] Move ServiceNodeInfo to a separate file

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### _Why are the changes needed?_
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Decouple zookeeper #1392

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [X] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1506 from hddong/move-serviceNodeInfo.

Closes #1505

7bd7f18 [hongdongdong] [KYUUBI #1505] Move ServiceNodeInfo to a separate file

Authored-by: hongdongdong <hongdongdong@cmss.chinamobile.com>
Signed-off-by: Kent Yao <yao@apache.org>

Author: hddong

kyuubi-ha/src/main/scala/org/apache/kyuubi/ha/client/ServiceDiscovery.scala

@@ -153,13 +153,3 @@ object ServiceDiscovery extends Logging {
     createServiceNode(conf, zkClient, namespace, instance, version, external).getActualPath
   }
 }
-
-case class ServiceNodeInfo(
-    namespace: String,
-    nodeName: String,
-    host: String,
-    port: Int,
-    version: Option[String],
-    engineRefId: Option[String]) {
-  def instance: String = s"$host:$port"
-}

kyuubi-ha/src/main/scala/org/apache/kyuubi/ha/client/ServiceNodeInfo.scala

@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.kyuubi.ha.client
+
+case class ServiceNodeInfo(
+    namespace: String,
+    nodeName: String,
+    host: String,
+    port: Int,
+    version: Option[String],
+    engineRefId: Option[String]) {
+  def instance: String = s"$host:$port"
+}