Fix homes not deleting for unloaded worlds

plugin/src/main/java/com/alttd/essentia/commands/player/DelHomeCommand.java

@@ -23,7 +23,7 @@ public class DelHomeCommand extends PlayerSubCommand {
 //        }
 
         String home = (args.length > 0) ? args[0] : "home";
-        if (playerConfig.getHome(home) == null) {
+        if (!playerConfig.hasHome(home)) {
             player.sendRichMessage(Config.HOME_DOES_NOT_EXIST, Placeholder.unparsed("home", home));
             return true;
         }