Fixed a few dead store warnings
Fixed a few dead store warnings

Eliminated some dead stores, and also moved some
declarations & initial definitions together

Change-Id: Ic0bc1a1d1fc6fb6315bae8006584e4102ff51996

johnkit/vtk-dev,sumedhasingla/VTK,jmerkow/VTK,SimVascular/VTK,keithroe/vtkoptix,sumedhasingla/VTK,keithroe/vtkoptix,ashray/VTK-EVM,candy7393/VTK,keithroe/vtkoptix,mspark93/VTK,mspark93/VTK,mspark93/VTK,gram526/VTK,jmerkow/VTK,msmolens/VTK,gram526/VTK,hendradarwin/VTK,mspark93/VTK,demarle/VTK,demarle/VTK,gram526/VTK,msmolens/VTK,candy7393/VTK,jmerkow/VTK,keithroe/vtkoptix,sumedhasingla/VTK,keithroe/vtkoptix,msmolens/VTK,sumedhasingla/VTK,msmolens/VTK,hendradarwin/VTK,candy7393/VTK,sumedhasingla/VTK,sankhesh/VTK,sankhesh/VTK,keithroe/vtkoptix,johnkit/vtk-dev,gram526/VTK,johnkit/vtk-dev,ashray/VTK-EVM,demarle/VTK,johnkit/vtk-dev,sumedhasingla/VTK,sankhesh/VTK,SimVascular/VTK,johnkit/vtk-dev,jmerkow/VTK,hendradarwin/VTK,msmolens/VTK,demarle/VTK,mspark93/VTK,demarle/VTK,SimVascular/VTK,jmerkow/VTK,candy7393/VTK,msmolens/VTK,SimVascular/VTK,sumedhasingla/VTK,msmolens/VTK,candy7393/VTK,demarle/VTK,sankhesh/VTK,ashray/VTK-EVM,jmerkow/VTK,hendradarwin/VTK,candy7393/VTK,sankhesh/VTK,keithroe/vtkoptix,candy7393/VTK,SimVascular/VTK,keithroe/vtkoptix,jmerkow/VTK,hendradarwin/VTK,gram526/VTK,gram526/VTK,ashray/VTK-EVM,hendradarwin/VTK,candy7393/VTK,SimVascular/VTK,mspark93/VTK,johnkit/vtk-dev,SimVascular/VTK,sankhesh/VTK,demarle/VTK,jmerkow/VTK,ashray/VTK-EVM,sankhesh/VTK,ashray/VTK-EVM,demarle/VTK,SimVascular/VTK,ashray/VTK-EVM,gram526/VTK,gram526/VTK,mspark93/VTK,johnkit/vtk-dev,sumedhasingla/VTK,msmolens/VTK,ashray/VTK-EVM,sankhesh/VTK,hendradarwin/VTK,mspark93/VTK