Move Starter Site to 10.2 [aggregate ticket]

[rosiel]

This is a place to aggregate things that need to be done during the step to 10.2.

• Transliterate Filenames is obsolete; all features are part of core. (So, uninstall and remove the module)

[jordandukart]

As per the tech call would make sense to remove the suggest portion at the same time: https://github.com/Islandora/islandora/blob/2.x/composer.json#L41-L43.

[rosiel]

done with #123