Rename interfaces, unset after unwrapping

app/lib/Sage/Template/IWrapper.php

@@ -1,27 +0,0 @@
-<?php namespace Roots\Sage\Template;
-
-/**
- * Interface IWrapper
- * @package Roots\Sage
- * @author QWp6t
- */
-interface IWrapper {
-
-  /**
-   * Get a list of potential wrappers
-   * Useful for passing to WordPress's locate_template()
-   *
-   * @return string[] List of wrappers; e.g., `base-page.php`, `base.php`
-   */
-  public function getWrappers();
-
-  /**
-   * @return string Template file that is being wrapped; e.g., `page.php`, `single.php`, `singular.php`
-   */
-  public function getTemplate();
-
-  /**
-   * @return string Slug of the Wrapper; e.g., `base`
-   */
-  public function getSlug();
-}