Olympiad participants CAN logout and restart, thanks Charus for testing. Of course it will lead to lose.

L2_GameServer/java/net/sf/l2j/gameserver/network/clientpackets/Logout.java

@@ -61,7 +61,6 @@ public final class Logout extends L2GameClientPacket
 
 		if(player.getActiveEnchantItem() != null || player.getActiveEnchantAttrItem() != null)
 		{
-			player.sendMessage("You cant logout while enchanting!");
 			player.sendPacket(ActionFailed.STATIC_PACKET);
 			return;
 		}
@@ -91,13 +90,6 @@ public final class Logout extends L2GameClientPacket
 			return;
 		}
 
-        if (player.isInOlympiadMode() || Olympiad.getInstance().isRegistered(player))
-        {
-            player.sendMessage("You cant logout in olympiad mode");
-			player.sendPacket(ActionFailed.STATIC_PACKET);
-            return;
-        }
-
 		// Prevent player from logging out if they are a festival participant
 		// and it is in progress, otherwise notify party members that the player
 		// is not longer a participant.

L2_GameServer/java/net/sf/l2j/gameserver/network/clientpackets/RequestRestart.java

@@ -56,16 +56,8 @@ public final class RequestRestart extends L2GameClientPacket
 		if (player == null)
 			return;
 
-		if (player.isInOlympiadMode() || Olympiad.getInstance().isRegistered(player))
-		{
-			player.sendMessage("You cant logout in olympiad mode");
-			player.sendPacket(ActionFailed.STATIC_PACKET);
-			return;
-		}
-
 		if(player.getActiveEnchantItem() != null || player.getActiveEnchantAttrItem() != null)
 		{
-			player.sendMessage("You cant logout while enchanting!");
 			player.sendPacket(ActionFailed.STATIC_PACKET);
 			return;
 		}