Remove deprecated world management commands and associated SQL logic

Signed-off-by: Chaoscaot <max@maxsp.de>

VelocityCore/Persistent/src/de/steamwar/persistent/Bauserver.java

@@ -29,7 +29,6 @@ import java.util.function.Consumer;
 @Getter
 public class Bauserver extends Subserver {
     private static final Map<UUID, Bauserver> servers = new HashMap<>();
-    private static final Map<UUID, Bauserver> serversByWorld = new HashMap<>();
 
     public static Bauserver get(UUID owner) {
         synchronized (servers) {
@@ -37,43 +36,25 @@ public class Bauserver extends Subserver {
         }
     }
 
-    public static Bauserver getByWorld(UUID world) {
-        synchronized (serversByWorld) {
-            return serversByWorld.get(world);
-        }
-    }
-
     private final UUID owner;
-    private final UUID world;
 
     public Bauserver(String serverName, UUID owner, int port, ProcessBuilder processBuilder, Runnable shutdownCallback) {
-        this(serverName, owner, owner, port, processBuilder, shutdownCallback, null);
+        this(serverName, owner, port, processBuilder, shutdownCallback, null);
     }
 
     public Bauserver(String serverName, UUID owner, int port, ProcessBuilder processBuilder, Runnable shutdownCallback, Consumer<Exception> failureCallback) {
-        this(serverName, owner, owner, port, processBuilder, shutdownCallback, failureCallback);
-    }
-
-    public Bauserver(String serverName, UUID owner, UUID world, int port, ProcessBuilder processBuilder, Runnable shutdownCallback, Consumer<Exception> failureCallback) {
         super(serverName, port, processBuilder, shutdownCallback, failureCallback);
         this.owner = owner;
-        this.world = world;
 
         synchronized (servers) {
-            servers.putIfAbsent(owner, this);
-        }
-        synchronized (serversByWorld) {
-            serversByWorld.put(world, this);
+            servers.put(owner, this);
         }
     }
 
     @Override
     protected void unregister() {
         synchronized (servers) {
-            servers.remove(owner, this);
-        }
-        synchronized (serversByWorld) {
-            serversByWorld.remove(world);
+            servers.remove(owner);
         }
         super.unregister();
     }