Fix model compile errors

Projekte/mdga/model/src/main/java/pp/mdga/server/Game.java

@@ -1,7 +0,0 @@
-package pp.mdga.server;
-
-public class Game extends ServerState {
-    public Game(ServerGameLogic logic) {
-        super(logic);
-    }
-}

Projekte/mdga/model/src/main/java/pp/mdga/server/GameState.java

@@ -0,0 +1,7 @@
+package pp.mdga.server;
+
+public class GameState extends ServerState {
+    public GameState(ServerGameLogic logic) {
+        super(logic);
+    }
+}