Portugao/Eternizer — comment on commit a2492436dcceb65a9e0e741b2dfcbbc5c3ad0aea
File:  line 0
By hvorragend:

FYI: We have a 'useravatar'-plugin in the core. This plugin is able to use gravatars if you activate this feature in the Users' module settings.

I think that the webmaster should decide if avatars or gravatars should be used. And not each module individually.