Hide 'Refactor -> Add Definition in ...' for signals
Hide 'Refactor -> Add Definition in ...' for signals

Since signals don't have a definition there is no need to show that
action under 'Refactor'.

Change-Id: Ic4d65b56c9197e2dbce5cedd5c760faea14d920d
Reviewed-by: Orgad Shaneh <2b010cbad792a0c0a8175f752f93f83941fc6bc1@gmail.com>
Reviewed-by: hjk <f81b91af79013637d070c18d38a75b90eaae8ba3@nokiamail.com>
Reviewed-by: Erik Verbruggen <5edfe905d082749f2ac3f4e6b42937f39f083771@digia.com>

martyone/sailfish-qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,farseerri/git_code,darksylinc/qt-creator,omniacreator/qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,omniacreator/qtcreator,malikcjm/qtcreator,farseerri/git_code,xianian/qt-creator,darksylinc/qt-creator,Distrotech/qtcreator,darksylinc/qt-creator,richardmg/qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,farseerri/git_code,farseerri/git_code,omniacreator/qtcreator,kuba1/qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,malikcjm/qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,richardmg/qtcreator,farseerri/git_code,danimo/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,omniacreator/qtcreator,colede/qtcreator,xianian/qt-creator,duythanhphan/qt-creator,colede/qtcreator,kuba1/qtcreator,farseerri/git_code,maui-packages/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,xianian/qt-creator,richardmg/qtcreator,kuba1/qtcreator,kuba1/qtcreator,Distrotech/qtcreator,maui-packages/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,kuba1/qtcreator,darksylinc/qt-creator,omniacreator/qtcreator,richardmg/qtcreator,duythanhphan/qt-creator,farseerri/git_code,duythanhphan/qt-creator,richardmg/qtcreator,martyone/sailfish-qtcreator,richardmg/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,darksylinc/qt-creator,xianian/qt-creator,xianian/qt-creator,malikcjm/qtcreator,danimo/qt-creator,malikcjm/qtcreator,kuba1/qtcreator,danimo/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,AltarBeastiful/qt-creator,colede/qtcreator,duythanhphan/qt-creator,malikcjm/qtcreator,danimo/qt-creator,malikcjm/qtcreator,xianian/qt-creator,duythanhphan/qt-creator,darksylinc/qt-creator,xianian/qt-creator,colede/qtcreator,kuba1/qtcreator,maui-packages/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,danimo/qt-creator,richardmg/qtcreator,maui-packages/qt-creator,duythanhphan/qt-creator,Distrotech/qtcreator,colede/qtcreator,maui-packages/qt-creator,danimo/qt-creator,darksylinc/qt-creator,malikcjm/qtcreator,xianian/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator