Water animal sea level fix

BentoBoxWorld/BentoBox#2593

Author: tastybento

src/main/java/world/bentobox/aoneblock/AOneBlock.java

@@ -212,7 +212,7 @@ private World getWorld(String worldName2, Environment env, ChunkGeneratorWorld c
 		// Set world name
 		worldName2 = env.equals(World.Environment.NETHER) ? worldName2 + NETHER : worldName2;
 		worldName2 = env.equals(World.Environment.THE_END) ? worldName2 + THE_END : worldName2;
-		WorldCreator wc = WorldCreator.name(worldName2).type(WorldType.FLAT).environment(env);
+        WorldCreator wc = WorldCreator.name(worldName2).environment(env);
 		World w = settings.isUseOwnGenerator() ? wc.createWorld() : wc.generator(chunkGenerator2).createWorld();
 		// Set spawn rates
 		if (w != null) {