Remove unused variable Kind_Grid_Movement

Author: ArneVoss

SU2_CFD/src/drivers/CDriver.cpp

@@ -2547,12 +2547,9 @@ void CDriver::InitializeInterface(CConfig **config, CSolver***** solver, CGeomet
 void CDriver::PreprocessStaticMesh(const CConfig *config, CGeometry** geometry){
 
   unsigned short iMGlevel, iMGfine;
-  unsigned short Kind_Grid_Movement;
 
   unsigned short iZone = config->GetiZone();
 
-  Kind_Grid_Movement = config->GetKind_GridMovement();
-
   if (!fem_solver) {
 
     if (config->GetnMarker_Moving() > 0) {