Remove unnecessary variable

Author: westonruter

src/wp-admin/includes/post.php

@@ -762,10 +762,9 @@ function get_default_post_to_edit( $post_type = 'post', $create_in_db = false )
 	}
 
 	if ( $create_in_db ) {
-		$default_title = post_type_supports( $post_type, 'title' ) ? __( 'Auto Draft' ) : '';
-		$post_id       = wp_insert_post(
+		$post_id = wp_insert_post(
 			array(
-				'post_title'  => $default_title,
+				'post_title'  => post_type_supports( $post_type, 'title' ) ? __( 'Auto Draft' ) : '',
 				'post_type'   => $post_type,
 				'post_status' => 'auto-draft',
 			),