Use Bot#getConfig() instead of using a public static config & Add missing newline

src/main/java/com/jagrosh/jmusicbot/commands/owner/SetgameCmd.java

@@ -16,7 +16,7 @@
 package com.jagrosh.jmusicbot.commands.owner;
 
 import com.jagrosh.jdautilities.command.CommandEvent;
-import com.jagrosh.jmusicbot.JMusicBot;
+import com.jagrosh.jmusicbot.Bot;
 import com.jagrosh.jmusicbot.commands.OwnerCommand;
 import net.dv8tion.jda.core.entities.Game;
 
@@ -26,12 +26,12 @@ import net.dv8tion.jda.core.entities.Game;
  */
 public class SetgameCmd extends OwnerCommand
 {
-    public SetgameCmd()
+    public SetgameCmd(Bot bot)
     {
         this.name = "setgame";
         this.help = "sets the game the bot is playing";
         this.arguments = "[action] [game]";
-        this.aliases = JMusicBot.config.getAliases(this.name);
+        this.aliases = bot.getConfig().getAliases(this.name);
         this.guildOnly = false;
         this.children = new OwnerCommand[]{
             new SetlistenCmd(),