[bitcoin/bitcoin] gui: Drop qt4 support (#13458)

> That’s a good question. I’m not sure that’s something to be decided here, I don’t change anything with regard to Qt5 versions supported. Though there are a few QT_VERSION checks for Qt 5.2 that would not be relevant in that case..

Fair enough.

Still some qt4 related code here:

There are some qt4 related docs that could be dropped. i.e:

Добавить комментарий