Removed unuseful sessionStolen attribute from channel

broker/src/main/java/io/moquette/server/netty/NettyMQTTHandler.java

@@ -90,14 +90,7 @@ public class NettyMQTTHandler extends ChannelInboundHandlerAdapter {
     public void channelInactive(ChannelHandlerContext ctx) throws Exception {
         String clientID = NettyUtils.clientID(ctx.channel());
         if (clientID != null && !clientID.isEmpty()) {
-            //if the channel was of a correctly connected client, inform messaging
-            //else it was of a not completed CONNECT message or sessionStolen
-            boolean stolen = false;
-            Boolean stolenAttr = NettyUtils.sessionStolen(ctx.channel());
-            if (stolenAttr != null && stolenAttr == Boolean.TRUE) {
-                stolen = true;
-            }
-            m_processor.processConnectionLost(clientID, stolen, ctx.channel());
+            m_processor.processConnectionLost(clientID, ctx.channel());
         }
         ctx.close();
     }

broker/src/main/java/io/moquette/server/netty/NettyUtils.java

@@ -73,7 +73,7 @@ public class NettyUtils {
         return (String) channel.attr(NettyUtils.ATTR_KEY_USERNAME).get();
     }
 
-    @Deprecated
+    /*@Deprecated
     public static void sessionStolen(Channel channel, boolean value) {
         channel.attr(NettyUtils.ATTR_KEY_SESSION_STOLEN).set(value);
     }
@@ -81,5 +81,5 @@ public class NettyUtils {
     @Deprecated
     public static Boolean sessionStolen(Channel channel) {
         return (Boolean) channel.attr(NettyUtils.ATTR_KEY_SESSION_STOLEN).get();
-    }
+    }*/
 }