Revert "Qt: Restore Qt4AndQt5Automoc test behavior."

This reverts commit 305c206900d7ada953e2b8de7709733f5c46cdf9.
Revert "Qt: Enable running automoc test with Qt4 or Qt5."

This reverts commit c979c60c4386b844bfe0d2dc3a8e64da1318c561.
Revert "Qt: Fix automoc when .h and .cpp are in different directories."

This reverts commit cf4a7eb0272555119489b7eacd88eb785c496ce2.
Merge topic 'qt-automoc' into next

efe57573 Revert "Qt: Fix automoc when .h and .cpp are in different directories."
fbd6da74 Revert "Qt: Enable running automoc test with Qt4 or Qt5."
a61c41cb Revert "Qt: Restore Qt4AndQt5Automoc test behavior."