- load(qt_module) => load(qt_build_config)
- remove:
  - CONFIG+=module (obsolete)
  - setup of PKGCONFIG* variables (automated now)
  - code relating to module version headers (automated now)
  - %mastercontent assignment (automated now)
  - QT_BUILD_*_LIB defines (automated now)
  - pointless QPRO_PWD assignments
  - pointless and commented out include and depend paths

Change-Id: I6397e2606f741de2d756886a029956682ab09161
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>