Hide Left Admin Menus, Custom post types
https://codex.wordpress.org/Function_Reference/remove_menu_page
<?php
// hover left admin menus to see the full file path
// remove menu entries
function remove_menus(){
remove_menu_page('edit.php?post_type=uni_service');
remove_menu_page('edit.php?post_type=uni_price');
remove_menu_page('edit.php?post_type=uni_brand');
}
add_action( 'admin_menu', 'remove_menus' );