Move Hotline Miami to missing executable section in pending, nuke from unconfirmed

Courtesy of FlamingSapz in #steamdb:

[16:00:43.543] <FlamingSapz> woop, hotline miami works
[16:00:55.555] <@xPaw> make a pull request!
[16:01:53.553] <wickedplayer494> ^
[16:02:32.532] <FlamingSapz> i dunno how to git that well