Deprecate method instead of removing it

includes/admin/class-wc-admin-notices.php

@@ -64,6 +64,19 @@ class WC_Admin_Notices {
 		}
 	}
 
+	/**
+	 * Parses query to create nonces when available.
+	 *
+	 * @deprecated 5.4.0
+	 * @param object $response The WP_REST_Response we're working with.
+	 * @return object $response The prepared WP_REST_Response object.
+	 */
+	public static function prepare_note_with_nonce( $response ) {
+		wc_deprecated_function( __CLASS__ . '::' . __FUNCTION__, '5.4.0' );
+
+		return $response;
+	}
+
 	/**
 	 * Store notices to DB
 	 */