Rename plugins to libs and update all file references

plugins/vendor/illuminate/contracts/Routing/BindingRegistrar.php

@@ -1,23 +0,0 @@
-<?php
-
-namespace Illuminate\Contracts\Routing;
-
-interface BindingRegistrar
-{
-    /**
-     * Add a new route parameter binder.
-     *
-     * @param  string  $key
-     * @param  string|callable  $binder
-     * @return void
-     */
-    public function bind($key, $binder);
-
-    /**
-     * Get the binding callback for a given binding.
-     *
-     * @param  string  $key
-     * @return \Closure
-     */
-    public function getBindingCallback($key);
-}