ENH: remove all observers with the same command
ENH: remove all observers with the same command

collects/VTK,arnaudgelas/VTK,daviddoria/PointGraphsPhase1,keithroe/vtkoptix,biddisco/VTK,SimVascular/VTK,jmerkow/VTK,msmolens/VTK,sumedhasingla/VTK,collects/VTK,jmerkow/VTK,SimVascular/VTK,sumedhasingla/VTK,cjh1/VTK,daviddoria/PointGraphsPhase1,sgh/vtk,msmolens/VTK,sankhesh/VTK,gram526/VTK,gram526/VTK,berendkleinhaneveld/VTK,daviddoria/PointGraphsPhase1,candy7393/VTK,daviddoria/PointGraphsPhase1,cjh1/VTK,msmolens/VTK,candy7393/VTK,jmerkow/VTK,biddisco/VTK,candy7393/VTK,arnaudgelas/VTK,candy7393/VTK,naucoin/VTKSlicerWidgets,hendradarwin/VTK,spthaolt/VTK,biddisco/VTK,candy7393/VTK,sumedhasingla/VTK,Wuteyan/VTK,sgh/vtk,jmerkow/VTK,jeffbaumes/jeffbaumes-vtk,mspark93/VTK,demarle/VTK,collects/VTK,jmerkow/VTK,gram526/VTK,msmolens/VTK,spthaolt/VTK,Wuteyan/VTK,demarle/VTK,ashray/VTK-EVM,mspark93/VTK,berendkleinhaneveld/VTK,arnaudgelas/VTK,biddisco/VTK,sgh/vtk,keithroe/vtkoptix,demarle/VTK,sumedhasingla/VTK,naucoin/VTKSlicerWidgets,sankhesh/VTK,naucoin/VTKSlicerWidgets,arnaudgelas/VTK,daviddoria/PointGraphsPhase1,demarle/VTK,hendradarwin/VTK,sankhesh/VTK,naucoin/VTKSlicerWidgets,johnkit/vtk-dev,johnkit/vtk-dev,hendradarwin/VTK,gram526/VTK,jeffbaumes/jeffbaumes-vtk,gram526/VTK,mspark93/VTK,spthaolt/VTK,biddisco/VTK,aashish24/VTK-old,gram526/VTK,sankhesh/VTK,keithroe/vtkoptix,SimVascular/VTK,ashray/VTK-EVM,keithroe/vtkoptix,sankhesh/VTK,sumedhasingla/VTK,ashray/VTK-EVM,sgh/vtk,demarle/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,aashish24/VTK-old,jeffbaumes/jeffbaumes-vtk,arnaudgelas/VTK,cjh1/VTK,keithroe/vtkoptix,johnkit/vtk-dev,jmerkow/VTK,biddisco/VTK,cjh1/VTK,spthaolt/VTK,sgh/vtk,arnaudgelas/VTK,hendradarwin/VTK,hendradarwin/VTK,hendradarwin/VTK,ashray/VTK-EVM,biddisco/VTK,Wuteyan/VTK,ashray/VTK-EVM,cjh1/VTK,berendkleinhaneveld/VTK,Wuteyan/VTK,Wuteyan/VTK,mspark93/VTK,mspark93/VTK,msmolens/VTK,jeffbaumes/jeffbaumes-vtk,Wuteyan/VTK,johnkit/vtk-dev,msmolens/VTK,jmerkow/VTK,keithroe/vtkoptix,johnkit/vtk-dev,sankhesh/VTK,msmolens/VTK,aashish24/VTK-old,berendkleinhaneveld/VTK,mspark93/VTK,collects/VTK,sumedhasingla/VTK,keithroe/vtkoptix,jeffbaumes/jeffbaumes-vtk,candy7393/VTK,demarle/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,spthaolt/VTK,keithroe/vtkoptix,sumedhasingla/VTK,gram526/VTK,Wuteyan/VTK,aashish24/VTK-old,johnkit/vtk-dev,hendradarwin/VTK,demarle/VTK,berendkleinhaneveld/VTK,mspark93/VTK,aashish24/VTK-old,naucoin/VTKSlicerWidgets,cjh1/VTK,demarle/VTK,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,collects/VTK,SimVascular/VTK,spthaolt/VTK,candy7393/VTK,SimVascular/VTK,candy7393/VTK,johnkit/vtk-dev,aashish24/VTK-old,sankhesh/VTK,gram526/VTK,sgh/vtk,sankhesh/VTK,SimVascular/VTK,SimVascular/VTK,mspark93/VTK,msmolens/VTK,spthaolt/VTK,collects/VTK,ashray/VTK-EVM,SimVascular/VTK,jeffbaumes/jeffbaumes-vtk,ashray/VTK-EVM,naucoin/VTKSlicerWidgets