remove AINodeService in datanode which is not used anymore.

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBConfig.java

@@ -439,9 +439,6 @@ public class IoTDBConfig {
   /** Compact the unsequence files into the overlapped sequence files */
   private volatile boolean enableCrossSpaceCompaction = true;
 
-  /** Enable the service for AINode */
-  private boolean enableAINodeService = false;
-
   /** The buffer for sort operation */
   private long sortBufferSize = 1024 * 1024L;
 
@@ -920,9 +917,6 @@ public class IoTDBConfig {
   /** Internal port for coordinator */
   private int internalPort = 10730;
 
-  /** Port for AINode */
-  private int aiNodePort = 10780;
-
   /** Internal port for dataRegion consensus protocol */
   private int dataRegionConsensusPort = 10760;
 
@@ -2871,14 +2865,6 @@ public void setEnableCrossSpaceCompaction(boolean enableCrossSpaceCompaction) {
     this.enableCrossSpaceCompaction = enableCrossSpaceCompaction;
   }
 
-  public boolean isEnableAINodeService() {
-    return enableAINodeService;
-  }
-
-  public void setEnableAINodeService(boolean enableAINodeService) {
-    this.enableAINodeService = enableAINodeService;
-  }
-
   public InnerSequenceCompactionSelector getInnerSequenceCompactionSelector() {
     return innerSequenceCompactionSelector;
   }
@@ -3157,14 +3143,6 @@ public void setInternalPort(int internalPort) {
     this.internalPort = internalPort;
   }
 
-  public int getAINodePort() {
-    return aiNodePort;
-  }
-
-  public void setAINodePort(int aiNodePort) {
-    this.aiNodePort = aiNodePort;
-  }
-
   public int getDataRegionConsensusPort() {
     return dataRegionConsensusPort;
   }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/conf/IoTDBDescriptor.java

@@ -287,19 +287,6 @@ public void loadProperties(Properties properties) throws BadNodeUrlException, IO
                 .getProperty(IoTDBConstant.DN_RPC_PORT, Integer.toString(conf.getRpcPort()))
                 .trim()));
 
-    conf.setEnableAINodeService(
-        Boolean.parseBoolean(
-            properties
-                .getProperty(
-                    "enable_ainode_rpc_service", Boolean.toString(conf.isEnableAINodeService()))
-                .trim()));
-
-    conf.setAINodePort(
-        Integer.parseInt(
-            properties
-                .getProperty("ainode_rpc_port", Integer.toString(conf.getAINodePort()))
-                .trim()));
-
     conf.setBufferedArraysMemoryProportion(
         Double.parseDouble(
             properties