Use Sass to style search form, remove search template

lib/init.php

@@ -34,7 +34,7 @@ function setup() {
 
   // Add HTML5 markup for captions
   // http://codex.wordpress.org/Function_Reference/add_theme_support#HTML5
-  add_theme_support('html5', ['caption', 'comment-form', 'comment-list', 'gallery']);
+  add_theme_support('html5', ['caption', 'comment-form', 'comment-list', 'gallery', 'search-form']);
 
   // Tell the TinyMCE editor to use a custom stylesheet
   add_editor_style(Assets\asset_path('styles/editor-style.css'));

lib/utils.php

@@ -1,13 +0,0 @@
-<?php
-
-namespace Roots\Sage\Utils;
-
-/**
- * Tell WordPress to use searchform.php from the templates/ directory
- */
-function get_search_form() {
-  $form = '';
-  locate_template('/templates/searchform.php', true, false);
-  return $form;
-}
-add_filter('get_search_form', __NAMESPACE__ . '\\get_search_form');