Remove upgrade_690() entirely

Author: aaronjorbin

src/wp-admin/includes/upgrade.php

@@ -2480,34 +2480,6 @@ function ( $url ) {
 	}
 }
 
-/**
- * Executes changes made in WordPress 6.9.0.
- *
- * @ignore
- * @since 6.9.0
- *
- * @global int  $wp_current_db_version The old (current) database version.
- * @global wpdb $wpdb                  WordPress database abstraction object.
- */
-function upgrade_690() {
-	global $wp_current_db_version, $wpdb;
-
-	// Switch Hello Dolly from file to directory format. See #53323
-	$active_plugins = get_option( 'active_plugins' );
-	$old_plugin     = 'hello.php';
-	$new_plugin     = 'hello-dolly/hello.php';
-	$key            = array_search( $old_plugin, $active_plugins, true );
-
-	if ( $key ) {
-		$active_plugins[ $key ] = $new_plugin;
-		update_option( 'active_plugins', $active_plugins );
-	}
-
-	if ( $wp_current_db_version < 60717 ) {
-		$wpdb->query( "ALTER TABLE $wpdb->posts ADD INDEX type_status_author (post_type,post_status,post_author)" );
-	}
-}
-
 /**
  * Executes network-level upgrade routines.
  *