language info page: MultiTree no longer existing

[dietervu]

Example https://infra.clarin.eu/content/language_info/data/aaa.html

http://new.multitree.org/trees/code/aaa

now redirects to

https://linguistlist.org/multitree/ which shows:

Multitree is no longer available The LINGUIST List no longer maintains the Multitree service. The underlying data can be accessed at github.com/linguistlist/multitree. Please contact webdev@linguistlist.org if you have any questions.