Dang you, LiveJournal administrators. I tried to use the .b-repost-item {display:none} modifier in my customized css file (thank you, oracle of everything, dear
popfiend), and it worked for a hot minute; then it didn't; and now, after fiddling a bit, it is now back up. As for the login, the best I can do for now is Ad Block the darn FaceBook icon.