delete attachments if one already exists and import user avatars
delete attachments if one already exists and import user avatars

artsmia/OctoberFriends,DenverArtMuseum/OctoberFriends,DallasMuseumArt/OctoberFriends,janusnic/OctoberFriends,artsmia/OctoberFriends,DallasMuseumArt/OctoberFriends,janusnic/OctoberFriends,DenverArtMuseum/OctoberFriends,DallasMuseumArt/OctoberFriends,DenverArtMuseum/OctoberFriends,janusnic/OctoberFriends,artsmia/OctoberFriends