Bug#874054: Setting QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1 has a huge negative performance impact, should not be always on

[Samuel Thibault]

Control: clone -1 -2
Control: reassign -2 at-spi2-core
Control: retitle -2 Should not set QT_LINUX_ACCESSIBILITY_ALWAYS_ON=1 any more
Control: found -1 5.7.1+dfsg-3+b1
Control: done -1 5.9.1+dfsg-9

Samuel