Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/league/flysystem/src/Plugin/PluggableTrait.php

@@ -1,68 +0,0 @@
-<?php
-
-namespace League\Flysystem\Plugin;
-
-use League\Flysystem\FilesystemInterface;
-use League\Flysystem\PluginInterface;
-use LogicException;
-
-trait PluggableTrait
-{
-    /**
-     * @var array
-     */
-    protected $plugins = [];
-
-    /**
-     * Register a plugin.
-     *
-     * @param PluginInterface $plugin
-     *
-     * @return $this
-     */
-    public function addPlugin(PluginInterface $plugin)
-    {
-        $this->plugins[$plugin->getMethod()] = $plugin;
-
-        return $this;
-    }
-
-    /**
-     * Register a plugin.
-     *
-     * @param string $method
-     *
-     * @throws LogicException
-     *
-     * @return PluginInterface $plugin
-     */
-    protected function findPlugin($method)
-    {
-        if (! isset($this->plugins[$method])) {
-            throw new PluginNotFoundException('Plugin not found for method: '.$method);
-        }
-
-        if (! method_exists($this->plugins[$method], 'handle')) {
-            throw new LogicException(get_class($this->plugins[$method]).' does not have a handle method.');
-        }
-
-        return $this->plugins[$method];
-    }
-
-    /**
-     * Invoke a plugin by method name.
-     *
-     * @param string $method
-     * @param array  $arguments
-     *
-     * @return mixed
-     */
-    protected function invokePlugin($method, array $arguments, FilesystemInterface $filesystem)
-    {
-        $plugin = $this->findPlugin($method);
-        $plugin->setFilesystem($filesystem);
-        $callback = [$plugin, 'handle'];
-
-        return call_user_func_array($callback, $arguments);
-    }
-}