removed some unused variables and functions
removed some unused variables and functions

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