itexteditor: remove a few unneeded empty destructors
itexteditor: remove a few unneeded empty destructors

kuba1/qtcreator,syntheticpp/qt-creator,ostash/qt-creator-i18n-uk,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,dmik/qt-creator-os2,syntheticpp/qt-creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,jonnor/qt-creator,maui-packages/qt-creator,azat/qtcreator,kuba1/qtcreator,xianian/qt-creator,hdweiss/qt-creator-visualizer,richardmg/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,KDE/android-qt-creator,martyone/sailfish-qtcreator,KDE/android-qt-creator,kuba1/qtcreator,darksylinc/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,bakaiadam/collaborative_qt_creator,omniacreator/qtcreator,duythanhphan/qt-creator,azat/qtcreator,renatofilho/QtCreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,KDE/android-qt-creator,KDE/android-qt-creator,danimo/qt-creator,syntheticpp/qt-creator,kuba1/qtcreator,dmik/qt-creator-os2,farseerri/git_code,omniacreator/qtcreator,KDE/android-qt-creator,malikcjm/qtcreator,amyvmiwei/qt-creator,farseerri/git_code,richardmg/qtcreator,jonnor/qt-creator,hdweiss/qt-creator-visualizer,bakaiadam/collaborative_qt_creator,pcacjr/qt-creator,Distrotech/qtcreator,hdweiss/qt-creator-visualizer,duythanhphan/qt-creator,KDAB/KDAB-Creator,xianian/qt-creator,danimo/qt-creator,pcacjr/qt-creator,richardmg/qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,kuba1/qtcreator,hdweiss/qt-creator-visualizer,colede/qtcreator,KDAB/KDAB-Creator,maui-packages/qt-creator,dmik/qt-creator-os2,farseerri/git_code,richardmg/qtcreator,ostash/qt-creator-i18n-uk,renatofilho/QtCreator,richardmg/qtcreator,syntheticpp/qt-creator,jonnor/qt-creator,maui-packages/qt-creator,syntheticpp/qt-creator,bakaiadam/collaborative_qt_creator,duythanhphan/qt-creator,KDAB/KDAB-Creator,colede/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,duythanhphan/qt-creator,KDE/android-qt-creator,Distrotech/qtcreator,duythanhphan/qt-creator,jonnor/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,Distrotech/qtcreator,danimo/qt-creator,malikcjm/qtcreator,syntheticpp/qt-creator,malikcjm/qtcreator,colede/qtcreator,kuba1/qtcreator,malikcjm/qtcreator,azat/qtcreator,pcacjr/qt-creator,danimo/qt-creator,xianian/qt-creator,farseerri/git_code,darksylinc/qt-creator,maui-packages/qt-creator,jonnor/qt-creator,pcacjr/qt-creator,bakaiadam/collaborative_qt_creator,renatofilho/QtCreator,dmik/qt-creator-os2,amyvmiwei/qt-creator,xianian/qt-creator,KDAB/KDAB-Creator,richardmg/qtcreator,bakaiadam/collaborative_qt_creator,kuba1/qtcreator,duythanhphan/qt-creator,Distrotech/qtcreator,colede/qtcreator,omniacreator/qtcreator,martyone/sailfish-qtcreator,azat/qtcreator,danimo/qt-creator,ostash/qt-creator-i18n-uk,xianian/qt-creator,colede/qtcreator,ostash/qt-creator-i18n-uk,omniacreator/qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,azat/qtcreator,AltarBeastiful/qt-creator,bakaiadam/collaborative_qt_creator,pcacjr/qt-creator,bakaiadam/collaborative_qt_creator,renatofilho/QtCreator,ostash/qt-creator-i18n-uk,maui-packages/qt-creator,kuba1/qtcreator,syntheticpp/qt-creator,dmik/qt-creator-os2,KDE/android-qt-creator,omniacreator/qtcreator,richardmg/qtcreator,duythanhphan/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,pcacjr/qt-creator,danimo/qt-creator,KDAB/KDAB-Creator,colede/qtcreator,farseerri/git_code,darksylinc/qt-creator,martyone/sailfish-qtcreator,malikcjm/qtcreator,malikcjm/qtcreator,ostash/qt-creator-i18n-uk,renatofilho/QtCreator,maui-packages/qt-creator,farseerri/git_code,Distrotech/qtcreator,farseerri/git_code,KDAB/KDAB-Creator,AltarBeastiful/qt-creator,omniacreator/qtcreator,dmik/qt-creator-os2,xianian/qt-creator,xianian/qt-creator,pcacjr/qt-creator,omniacreator/qtcreator,danimo/qt-creator,azat/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,hdweiss/qt-creator-visualizer,martyone/sailfish-qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,dmik/qt-creator-os2,ostash/qt-creator-i18n-uk,malikcjm/qtcreator,hdweiss/qt-creator-visualizer,darksylinc/qt-creator,KDE/android-qt-creator,darksylinc/qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,jonnor/qt-creator,darksylinc/qt-creator,danimo/qt-creator,maui-packages/qt-creator,renatofilho/QtCreator