Remove obsolete permissions checking on main plugin class.

Originally, the permissions checking was implemented with a dependency on various permissions plugins, but since the introduction of SuperPerms, it hasn't been needed, and this residue is safe to remove.

src/main/java/com/garbagemule/MobArena/MobArena.java

@@ -14,8 +14,6 @@ import net.milkbowl.vault.economy.Economy;
 import net.milkbowl.vault.economy.EconomyResponse;
 import net.milkbowl.vault.economy.EconomyResponse.ResponseType;
 import org.bukkit.ChatColor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -227,18 +225,6 @@ public class MobArena extends JavaPlugin
         pm.registerEvents(new MAGlobalListener(this, arenaMaster), this);
     }
     
-    // Permissions stuff
-    public boolean has(Player p, String s) {
-        return p.hasPermission(s);
-    }
-    
-    public boolean has(CommandSender sender, String s) {
-        if (sender instanceof ConsoleCommandSender) {
-            return true;
-        }
-        return has((Player) sender, s);
-    }
-    
     private void setupVault() {
         Plugin vaultPlugin = this.getServer().getPluginManager().getPlugin("Vault");
         if (vaultPlugin == null) {

src/main/java/com/garbagemule/MobArena/commands/CommandHandler.java

@@ -108,7 +108,7 @@ public class CommandHandler implements CommandExecutor
         CommandInfo info = command.getClass().getAnnotation(CommandInfo.class);
         
         // First check if the sender has permission.
-        if (!plugin.has(sender, info.permission())) {
+        if (!sender.hasPermission(info.permission())) {
             am.getGlobalMessenger().tell(sender, Msg.MISC_NO_ACCESS);
             return true;
         }
@@ -153,7 +153,7 @@ public class CommandHandler implements CommandExecutor
      */
     private void showUsage(Command cmd, CommandSender sender, boolean prefix) {
         CommandInfo info = cmd.getClass().getAnnotation(CommandInfo.class);
-        if (!plugin.has(sender, info.permission())) return;
+        if (!sender.hasPermission(info.permission())) return;
 
         sender.sendMessage((prefix ? "Usage: " : "") + info.usage() + " " + ChatColor.YELLOW + info.desc());
     }
@@ -179,7 +179,7 @@ public class CommandHandler implements CommandExecutor
 
         for (Command cmd : commands.values()) {
             CommandInfo info = cmd.getClass().getAnnotation(CommandInfo.class);
-            if (!plugin.has(sender, info.permission())) continue;
+            if (!sender.hasPermission(info.permission())) continue;
 
             StringBuilder buffy;
             if (info.permission().startsWith("mobarena.admin")) {