STYLE: remove unnecessary include for cartesianCS

src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.C

@@ -28,7 +28,6 @@ License
 #include "addToRunTimeSelectionTable.H"
 #include "fvPatchFieldMapper.H"
 #include "momentOfInertia.H"
-#include "cartesianCS.H"
 #include "Fstream.H"
 #include "globalIndex.H"
 

src/finiteVolume/fields/fvPatchFields/derived/turbulentDFSEMInlet/turbulentDFSEMInletFvPatchVectorField.H

@@ -91,7 +91,6 @@ SourceFiles
 namespace Foam
 {
 
-class cartesianCS;
 class pointToPointPlanarInterpolation;
 
 /*---------------------------------------------------------------------------*\