Revert "Properly close all resources on world delete / unload (#63)"

This reverts commit edc46e0.

Author: Patbox

src/main/java/xyz/nucleoid/fantasy/RuntimeWorldManager.java

@@ -62,11 +62,7 @@ void delete(ServerWorld world) {
 
         if (this.serverAccess.getWorlds().remove(dimensionKey, world)) {
             ServerWorldEvents.UNLOAD.invoker().onWorldUnload(this.server, world);
-            try {
-                world.close();
-            } catch (IOException e) {
-                Fantasy.LOGGER.warn("Failed to close world resources", e);
-            }
+
             SimpleRegistry<DimensionOptions> dimensionsRegistry = getDimensionsRegistry(this.server);
             RemoveFromRegistry.remove(dimensionsRegistry, dimensionKey.getValue());
 
@@ -108,11 +104,7 @@ public void setDone() {}
             }, true, false);
 
             ServerWorldEvents.UNLOAD.invoker().onWorldUnload(RuntimeWorldManager.this.server, world);
-            try {
-                world.close();
-            } catch (IOException e) {
-                Fantasy.LOGGER.warn("Failed to close world resources", e);
-            }
+
             SimpleRegistry<DimensionOptions> dimensionsRegistry = getDimensionsRegistry(RuntimeWorldManager.this.server);
             RemoveFromRegistry.remove(dimensionsRegistry, dimensionKey.getValue());
         }