Rename and clean up MapleMapEffect

src/main/java/client/Character.java

@@ -9755,7 +9755,7 @@ public class Character extends AbstractCharacterObject {
     }
 
     public void startMapEffect(String msg, int itemId, int duration) {
-        final MapleMapEffect mapEffect = new MapleMapEffect(msg, itemId);
+        final MapEffect mapEffect = new MapEffect(msg, itemId);
         sendPacket(mapEffect.makeStartData());
         TimerManager.getInstance().schedule(new Runnable() {
             @Override

src/main/java/server/maps/MapEffect.java

@@ -25,12 +25,12 @@ import client.Client;
 import net.packet.Packet;
 import tools.PacketCreator;
 
-public class MapleMapEffect {
+public class MapEffect {
     private final String msg;
     private final int itemId;
     private final boolean active = true;
 
-    public MapleMapEffect(String msg, int itemId) {
+    public MapEffect(String msg, int itemId) {
         this.msg = msg;
         this.itemId = itemId;
     }

src/main/java/server/maps/MapleMap.java

@@ -113,7 +113,7 @@ public class MapleMap {
     private EventInstanceManager event = null;
     private String mapName;
     private String streetName;
-    private MapleMapEffect mapEffect = null;
+    private MapEffect mapEffect = null;
     private boolean everlast = false;
     private int forcedReturnMap = 999999999;
     private int timeLimit;
@@ -2273,7 +2273,7 @@ public class MapleMap {
         if (mapEffect != null) {
             return;
         }
-        mapEffect = new MapleMapEffect(msg, itemId);
+        mapEffect = new MapEffect(msg, itemId);
         broadcastMessage(mapEffect.makeStartData());
         
         Runnable r = () -> {