Remove buyback custom feature

src/main/java/client/command/commands/gm0/BuyBackCommand.java

@@ -1,48 +0,0 @@
-/*
-    This file is part of the HeavenMS MapleStory Server, commands OdinMS-based
-    Copyleft (L) 2016 - 2019 RonanLana
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as
-    published by the Free Software Foundation version 3 as published by
-    the Free Software Foundation. You may not use, modify or distribute
-    this program under any other version of the GNU Affero General Public
-    License.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/*
-   @Author: Arthur L - Refactored command content into modules
-*/
-package client.command.commands.gm0;
-
-import client.Client;
-import client.command.Command;
-import client.processor.action.BuybackProcessor;
-
-public class BuyBackCommand extends Command {
-    {
-        setDescription("Revive yourself after a death.");
-    }
-
-    @Override
-    public void execute(Client c, String[] params) {
-        if (params.length < 1) {
-            c.getPlayer().yellowMessage("Syntax: @buyback <info|now>");
-            return;
-        }
-
-        if (params[0].contentEquals("now")) {
-            BuybackProcessor.processBuyback(c);
-        } else {
-            c.getPlayer().showBuybackInfo();
-        }
-    }
-}