removed some unused variables
removed some unused variables

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