Remove menu items for non admins

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function TRIM_ADMIN_MENU() {
    global $current_user;
    if(!current_user_can('administrator')) {
        remove_menu_page( 'tools.php' ); // No tools for <= editors
        remove_menu_page( 'activity_log_page' ); // Activity log
    }
}
add_action('admin_init', 'TRIM_ADMIN_MENU');