Blocks: Remove the `gutenberg` textdomain accidently added to translation

Props soean.
See #59346.
Follow-up [56587].


Built from https://develop.svn.wordpress.org/trunk@56592


git-svn-id: http://core.svn.wordpress.org/trunk@56104 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/blocks.php

@@ -533,7 +533,7 @@ function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
 			if ( $metadata['name'] === $anchor_block_name ) {
 				_doing_it_wrong(
 					__METHOD__,
-					__( 'Cannot hook block to itself.', 'gutenberg' ),
+					__( 'Cannot hook block to itself.' ),
 					'6.4.0'
 				);
 				continue;

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.4-alpha-56591';
+$wp_version = '6.4-alpha-56592';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.