Merge pull request #2146 from WordPress/remove/auto-sizes-functionality

Remove `sizes=auto` as the functionality is now available in WordPress core

Author: mukeshpanchal27

plugins/auto-sizes/auto-sizes.php

@@ -27,7 +27,6 @@
 
 define( 'IMAGE_AUTO_SIZES_VERSION', '1.6.0' );
 
-require_once __DIR__ . '/includes/auto-sizes.php';
 require_once __DIR__ . '/includes/improve-calculate-sizes.php';
 require_once __DIR__ . '/hooks.php';
 // @codeCoverageIgnoreEnd

plugins/auto-sizes/hooks.php

@@ -24,15 +24,6 @@ function auto_sizes_render_generator(): void {
 }
 add_action( 'wp_head', 'auto_sizes_render_generator' );
 
-/**
- * Filters related to the auto-sizes functionality.
- */
-// Skip loading plugin filters if WordPress Core already loaded the functionality.
-if ( ! function_exists( 'wp_img_tag_add_auto_sizes' ) ) {
-	add_filter( 'wp_get_attachment_image_attributes', 'auto_sizes_update_image_attributes' );
-	add_filter( 'wp_content_img_tag', 'auto_sizes_update_content_img_tag' );
-}
-
 /**
  * Filters related to the improved image sizes functionality.
  */