Unconfused cppcheck by removing unneeded null check
Unconfused cppcheck by removing unneeded null check

Change-Id: I0604327ee7f671bc894cb827d2548ae9cba6e712

keithroe/vtkoptix,sankhesh/VTK,sankhesh/VTK,gram526/VTK,SimVascular/VTK,mspark93/VTK,jmerkow/VTK,demarle/VTK,sankhesh/VTK,keithroe/vtkoptix,sumedhasingla/VTK,msmolens/VTK,sankhesh/VTK,msmolens/VTK,jmerkow/VTK,msmolens/VTK,sumedhasingla/VTK,keithroe/vtkoptix,gram526/VTK,candy7393/VTK,mspark93/VTK,sumedhasingla/VTK,gram526/VTK,demarle/VTK,sumedhasingla/VTK,SimVascular/VTK,candy7393/VTK,SimVascular/VTK,gram526/VTK,mspark93/VTK,demarle/VTK,candy7393/VTK,jmerkow/VTK,candy7393/VTK,mspark93/VTK,jmerkow/VTK,keithroe/vtkoptix,sumedhasingla/VTK,SimVascular/VTK,candy7393/VTK,candy7393/VTK,sankhesh/VTK,mspark93/VTK,jmerkow/VTK,mspark93/VTK,msmolens/VTK,demarle/VTK,sankhesh/VTK,keithroe/vtkoptix,msmolens/VTK,demarle/VTK,SimVascular/VTK,gram526/VTK,demarle/VTK,demarle/VTK,SimVascular/VTK,jmerkow/VTK,msmolens/VTK,jmerkow/VTK,gram526/VTK,demarle/VTK,sumedhasingla/VTK,sumedhasingla/VTK,keithroe/vtkoptix,SimVascular/VTK,candy7393/VTK,jmerkow/VTK,mspark93/VTK,sankhesh/VTK,msmolens/VTK,sumedhasingla/VTK,keithroe/vtkoptix,gram526/VTK,SimVascular/VTK,mspark93/VTK,msmolens/VTK,keithroe/vtkoptix,candy7393/VTK,gram526/VTK,sankhesh/VTK