Upgrade from WHMCS 8.13 to 9 doesnt clean up vendor Folders

[ptomter]

I have updated to WHMCS 9

In vendor files the folders was updated, but the folders not required anymore was not removed by the automatic update tool as when I compare WHMCS 8,13 and 9 they are removed.   

So remember to remove these manually people
true
sonata-project
Facebook
container-interop

My questions why does the update process not clean and remove everything that is "old".  What happend with the quality of the WHMCS releases .. .

[ptomter]

Also I got some smarty errors after upgrading  but seems that theese files are not in WHMCS 9 but are in 8.13

../vendor/smarty/smarty/libs/sysplugins

• smarty_internal_resource_registered.php
• smarty_internal_compile_private_php.php
• smarty_internal_compile_include_php.php

To be a stable release there the update tool doesnt do a lot of cleaning of old files..