Fix coordinate axis typo

SpigotCore_Main/src/de/steamwar/entity/REntityServer.java

@@ -137,7 +137,7 @@ public class REntityServer implements Listener {
         lastLocation.put(player, to);
         int viewDistance = viewRadius(player);
         forChunkInView(player, from, (x, z) -> {
-            if(Math.abs(x - toX) > viewDistance || Math.abs(z - toX) > viewDistance) {
+            if(Math.abs(x - toX) > viewDistance || Math.abs(z - toZ) > viewDistance) {
                 removePlayerFromChunk(player, x, z);
             }
         });