Update, remove or redirect the tools menu item.
<?php
return [
'wp-admin.$role|$username' => [
'tools',
'tools' => (string) $route,
'tools.title' => (string) $title,
'tools.icon' => (string) $dashicon,
],
];
Remove from menu;
<?php
return [
'wp-admin.$role|$username' => [
'tools',
],
];
Remove from menu and enforce a page redirect;
<?php
return [
'wp-admin.$role|$username' => [
'tools' => 'posts',
],
];