Fixed the tab completer working twice when there is no completer associated with the command

Author: Despical

src/main/java/me/despical/commandframework/CommandRegistry.java

@@ -185,7 +185,6 @@ protected void registerCommand(Command command, Method method, Object instance)
 				constructor.setAccessible(true);
 
 				PluginCommand pluginCommand = constructor.newInstance(cmdName, commandFramework.plugin);
-				pluginCommand.setTabCompleter(commandFramework);
 				pluginCommand.setExecutor(commandFramework);
 				pluginCommand.setUsage(command.usage());
 				pluginCommand.setPermission(command.permission().isEmpty() ? null : command.permission());