(split) remove __rcWidgetForObject from qsignalmapper, this has moved to qguisignalmapper.
(split) remove __rcWidgetForObject from qsignalmapper, this has moved to qguisignalmapper.

[git-p4: depot-paths = "//depot/qtjambi/main/": change = 280720]

qt-generator/qt-generator,qt-generator/qt-generator,qt-generator/qt-generator