Let invalid positioned entities clean up previous chunk by the chunkCheck

I had did a few of the operations myself, which would have broken chunkCheck
from doing it itself, which would leave some state left in the original chunk
and thats not good....

Spigot-Server-Patches/Prevent-Saving-Bad-entities-to-chunks.patch

@@ -80,7 +80,7 @@ index 4af5a230b..83bcef7e6 100644
      public static ChunkStatus.Type a(@Nullable NBTTagCompound nbttagcompound) {
          if (nbttagcompound != null) {
 diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
-index 6ce7f77a5..1adabb751 100644
+index 6ce7f77a5..87762b172 100644
 --- a/src/main/java/net/minecraft/server/WorldServer.java
 +++ b/src/main/java/net/minecraft/server/WorldServer.java
 @@ -0,0 +0,0 @@ public class WorldServer extends World {
@@ -98,9 +98,6 @@ index 6ce7f77a5..1adabb751 100644
 +                    // Paper start - move out entities that shouldn't be in this chunk before it unloads
 +                    if (!entity.dead && (int) Math.floor(entity.locX()) >> 4 != chunk.getPos().x || (int) Math.floor(entity.locZ()) >> 4 != chunk.getPos().z) {
 +                        toMoveChunks.add(entity);
-+                        entity.inChunk = false;
-+                        entity.entitySlice = null;
-+                        iterator.remove();
 +                        continue;
 +                    }
 +                    // Paper end