* src/inst-knotifications.nsi, src/uninst-knotifications.nsi: Remove nsi
  files for KNotifications
* patches/kjobwidgets/0001-Remove-knotification.patch: Patch away
  KNotifications dependency from KJobWidgets
* configure.ac: Remove KNotifications dependency from KJobWidgets
  package
* src/config.nsi.in, src/inst-sections.nsi: Remove KNotifications data