select2_all-3399753: Added readme file.

Closes #3399753

src/Select2.php

@@ -6,7 +6,6 @@ use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\Render\Element;
 use Drupal\Core\Security\TrustedCallbackInterface;
-use Drupal\field\Entity\FieldConfig;
 
 /**
  * Methods for adding Select2 to render elements.
@@ -33,7 +32,6 @@ class Select2 implements TrustedCallbackInterface {
     // if ($select2_include != SELECT2_INCLUDE_EVERYWHERE && $is_admin == $select2_include) {
     //   return $element;
     // }
-
     // If the #select2 FAPI property is set, then add the appropriate class.
     if (isset($element['#select2'])) {
       if (!empty($element['#select2'])) {