Revert "tweak the twitter card for "all posts""
Revert "tweak the twitter card for "all posts""

c8017a10cdb84b2e16faa4dfdf60dfd18c98f2a0

alexwlchan/alexwlchan.net,alexwlchan/alexwlchan.net,alexwlchan/alexwlchan.net,alexwlchan/alexwlchan.net,alexwlchan/alexwlchan.net