SPIGOT-4566: Don't special case NETHER_PORTAL teleport reason from plugins

By: md_5 <git@md-5.net>

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java

@@ -308,7 +308,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
 
         // Let the server handle cross world teleports
         if (!location.getWorld().equals(getWorld())) {
-            entity.teleportTo(location, cause == TeleportCause.NETHER_PORTAL);
+            entity.teleportTo(location, false);
             return true;
         }