ENH: polyMesh: remove support for read in cellCentres

applications/utilities/mesh/manipulation/checkMesh/checkMesh.C

@@ -91,26 +91,6 @@ int main(int argc, char *argv[])
             // Clear mesh before checking
             mesh.clearOut();
 
-            pointIOField overrideCCs
-            (
-                IOobject
-                (
-                    "cellCentres",
-                    mesh.pointsInstance(),
-                    polyMesh::meshSubDir,
-                    runTime,
-                    IOobject::READ_IF_PRESENT,
-                    IOobject::NO_WRITE
-                )
-            );
-
-            if (overrideCCs.headerOk())
-            {
-                Info<< "Read " << overrideCCs.size() << " cell centres" << endl;
-
-                mesh.overrideCellCentres(overrideCCs);
-            }
-
             // Reconstruct globalMeshData
             mesh.globalData();