[sociald] Don't request contact information we don't use. Contributes to JB#13983
[sociald] Don't request contact information we don't use. Contributes to JB#13983

This commit reduces the amount of data we request from Facebook, as
we previously requested data which we do not store (location and
significant_other information about the friends of the account-holder).

Contributes to JB#13983

rainisto/buteo-sync-plugins-social,rainisto/buteo-sync-plugins-social