Rename interfaces, unset after unwrapping

app/lib/Sage/Assets/IManifest.php

@@ -1,26 +0,0 @@
-<?php namespace Roots\Sage\Assets;
-
-/**
- * Interface IManifest
- * @package Roots\Sage
- * @author QWp6t
- */
-interface IManifest {
-
-  /**
-   * Get the cache-busted filename
-   *
-   * If the manifest does not have an entry for $file, then return $file
-   *
-   * @param string $file The original name of the file before cache-busting
-   * @return string
-   */
-  public function get($file);
-
-  /**
-   * Get the asset manifest
-   *
-   * @return array
-   */
-  public function getAll();
-}