Debugger: Remove unused code in WatchModel
Debugger: Remove unused code in WatchModel

Change-Id: I34464bf435dcf87eb375b8c1e79e29ad4f8050b4
Reviewed-by: hjk <4622a3e4640ee19ab4ebad197849e45b7170d50c@theqtcompany.com>

kuba1/qtcreator,danimo/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,kuba1/qtcreator,danimo/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,Distrotech/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,danimo/qt-creator,xianian/qt-creator,kuba1/qtcreator,kuba1/qtcreator,xianian/qt-creator,danimo/qt-creator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator