remove signature key

Author: DavidCramer

cloudinary-image-management-and-manipulation-in-the-cloud-cdn/php/sync/class-upload-queue.php

@@ -199,13 +199,6 @@ public function build_queue() {
 					'key'     => Sync::META_KEYS['public_id'],
 					'compare' => 'NOT EXISTS',
 				),
-				array(
-					'relation' => 'OR',
-					array(
-						'key'     => Sync::META_KEYS['signature'],
-						'compare' => 'NOT EXISTS',
-					),
-				),
 			),
 			'ignore_sticky_posts' => false,
 			'no_found_rows'       => true,