Changed tmp<pointField> construction to use the new simpler "New" method

avoiding unnecessary database registration of temporary fields

src/finiteVolume/interpolation/interpolation/interpolationCellPointWallModified/interpolationCellPointWallModified.C

@@ -62,14 +62,9 @@ Foam::interpolationCellPointWallModified<Type>::calcPointField
     // Create the point field
     tmp<pointVectorField> tPsip
     (
-        new pointVectorField
+        pointVectorField::New
-        (
-            IOobject
         (
             "volPointInterpolateWallModified(" + psi.name() + ')',
-                mesh.time().timeName(),
-                mesh
-            ),
             pointMesh::New(mesh),
             dimensioned<Type>("zero", psi.dimensions(), Zero)
         )

src/functionObjects/field/streamFunction/streamFunction.C

@@ -73,14 +73,9 @@ Foam::tmp<Foam::pointScalarField> Foam::functionObjects::streamFunction::calc
 
     tmp<pointScalarField> tstreamFunction
     (
-        new pointScalarField
+        pointScalarField::New
-        (
-            IOobject
         (
             "streamFunction",
-                time_.timeName(),
-                mesh_
-            ),
             pMesh,
             dimensionedScalar(phi.dimensions(), 0)
         )

src/mesh/snappyHexMesh/meshRefinement/meshRefinement.C

@@ -1817,16 +1817,9 @@ Foam::tmp<Foam::pointVectorField> Foam::meshRefinement::makeDisplacementField
     // postprocessable field.
     tmp<pointVectorField> tfld
     (
-        new pointVectorField
+        pointVectorField::New
-        (
-            IOobject
         (
             "pointDisplacement",
-                mesh.time().timeName(),
-                mesh,
-                IOobject::NO_READ,
-                IOobject::AUTO_WRITE
-            ),
             pMesh,
             dimensionedVector(dimLength, Zero),
             patchFieldTypes

src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyLayerDriver.C

@@ -857,16 +857,9 @@ Foam::snappyLayerDriver::makeLayerDisplacementField
     // postprocessable field.
     tmp<pointVectorField> tfld
     (
-        new pointVectorField
+        pointVectorField::New
-        (
-            IOobject
         (
             "pointDisplacement",
-                mesh.time().timeName(),
-                mesh,
-                IOobject::NO_READ,
-                IOobject::AUTO_WRITE
-            ),
             pMesh,
             dimensionedVector(dimLength, Zero),
             patchFieldTypes,