Bug#821299: vmtk: BD insighttoolkit4-dev Uninstallable on most archs previously built

RM Bug is #821297

Bug#821299: vmtk: BD insighttoolkit4-dev Uninstallable on most archs previously built

Source: vmtk Version: 1.3-1 Severity: serious Justification: FTBS but previously did Insighttoolkit no longer builds for archs except i386 and amd6, therefore the B-D is no longer available. To get forward with decrufting old packaged (vmtk keeps them from being removed) I filed #xx to get