Redo mac bans - reduce amount of db queries on login

Works just like ip and hwid bans in that they are loaded on startup

src/main/java/net/server/handlers/login/CharSelectedWithPicHandler.java

@@ -59,7 +59,7 @@ public class CharSelectedWithPicHandler extends AbstractPacketHandler {
         c.updateHwid(hwid);
         c.setHwid(hwid);
 
-        if (banService.isBanned(c) || c.hasBannedMac()) {
+        if (banService.isBanned(c)) {
             SessionCoordinator.getInstance().closeSession(c, true);
             return;
         }