Remove unused variables in the debugger watch window code.
Remove unused variables in the debugger watch window code.

Change-Id: Id70e972c4a768d9d544e062dfc29e9b43d88c56e
Reviewed-by: hjk <f81b91af79013637d070c18d38a75b90eaae8ba3@nokiamail.com>

colede/qtcreator,colede/qtcreator,danimo/qt-creator,farseerri/git_code,colede/qtcreator,kuba1/qtcreator,xianian/qt-creator,farseerri/git_code,danimo/qt-creator,danimo/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,colede/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,farseerri/git_code,colede/qtcreator,farseerri/git_code,farseerri/git_code,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,farseerri/git_code,xianian/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,maui-packages/qt-creator,martyone/sailfish-qtcreator,maui-packages/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,xianian/qt-creator,maui-packages/qt-creator,farseerri/git_code,xianian/qt-creator,maui-packages/qt-creator,Distrotech/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,kuba1/qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator