Remove command utilities plugin

game/plugin/util/command/build.gradle

@@ -1,3 +0,0 @@
-plugin {
-    name = "command_utilities"
-    }

game/plugin/util/command/src/command.kt

@@ -1,22 +0,0 @@
-package org.apollo.game.plugin.util.command
-
-import org.apollo.game.model.entity.Player
-
-/**
- * Checks whether the amount of arguments provided is correct, sending the player the specified
- * message if not.
- */
-fun valid_arg_length(args: Array<String>, length: IntRange, player: Player, message: String): Boolean {
-    val valid = length.contains(args.size)
-    if (!valid) {
-        player.sendMessage(message)
-    }
-    return valid
-}
-
-/**
- * Checks whether the amount of arguments provided is correct, sending the player the specified
- * message if not.
- */
-fun valid_arg_length(args: Array<String>, length: Int, player: Player, message: String)
-    = valid_arg_length(args, IntRange(length, length), player, message)