Don't throw on bad entity data in 1.14->1.13

Author: kennytv

common/src/main/java/com/viaversion/viabackwards/protocol/v1_14to1_13_2/rewriter/EntityPacketRewriter1_14.java

@@ -487,7 +487,7 @@ protected void registerRewrites() {
 
         filter().handler((event, data) -> {
             if (data.dataType().typeId() > 15) {
-                throw new IllegalArgumentException("Unhandled entity data: " + data);
+                event.cancel(); // Cancel bad data (generally from plugins sending data for despawned entities)
             }
         });
     }