6958a26aa1 Revert "qt: Add ObjectInvoke template function" (Hennadii Stepanov)
249984f4f9 qt: Replace `GUIUtil::ObjectInvoke()` with `QMetaObject::invokeMethod()` (Hennadii Stepanov)
Pull request description:
A comment in 5659e73493 states that `GUIUtil::ObjectInvoke`
> can be replaced by a call to the QMetaObject::invokeMethod functor overload after Qt 5.10
ACKs for top commit:
w0xlt:
tACK 6958a26aa1 on Ubuntu 21.10, Qt 5.15.2.
promag:
Code review ACK 6958a26aa1.
Tree-SHA512: 6a840289568113cf38df6c1092821d626c2d206768a21d4dc6846b9dcccb4130477adb45ba718bb6bc15a3041871a7df3238983ac03db80406732be597693266