Dissolve KitMacroExpander class
Dissolve KitMacroExpander class

It's a normal MacroExpander by now, with some extra setup code that's
used only in one place.

Change-Id: I97244b93d5c165245b02748508c7fdef1b191582
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@theqtcompany.com>

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