Remove Test::CGI::Multipart from the dep list
Remove Test::CGI::Multipart from the dep list

`vagrant up jessie` fails because repo.asis.io is not reachable.
Anyway, Test::CGI::Multipart is not a Koha dep anymore.

mrenvoize/kohadevbox,bywatersolutions/kohadevbox,joubu/kohadevbox,digibib/kohadevbox