Over the years, a lot of files have been remove from Joomla. The most of them have been added to this list for automatic deletion, but some of them have been simply forgotten.
I checked carefully all the previous Joomla installation packages for PHP files that have been removed from the project, but haven't been added to automatic deletion, up to now.
I can confirm the presence of the following files:
In a site that i have in 3.4.8 and started in 2.5.
The other files:
I can't find them in that site, so they are probably 1.6 or 1.7
But can confirm they are not in 3.4.8 anymore.