reactingTwoPhaseEulerFoam: Removed superfluous trSubDeltaT field

applications/solvers/multiphase/reactingTwoPhaseEulerFoam/createRDeltaT.H

-bool LTS =
-    word(mesh.ddtScheme("default"))
- == fv::localEulerDdtScheme<scalar>::typeName;
-
-tmp<volScalarField> trDeltaT;
-tmp<volScalarField> trSubDeltaT;
-
-if (LTS)
-{
-    scalar maxDeltaT
-    (
-        pimple.dict().lookupOrDefault<scalar>("maxDeltaT", GREAT)
-    );
-
-    trDeltaT = tmp<volScalarField>
-    (
-        new volScalarField
-        (
-            IOobject
-            (
-                "rDeltaT",
-                runTime.timeName(),
-                mesh,
-                IOobject::NO_READ,
-                IOobject::AUTO_WRITE
-            ),
-            mesh,
-            1/dimensionedScalar("maxDeltaT", dimTime, maxDeltaT),
-            zeroGradientFvPatchScalarField::typeName
-        )
-    );
-
-    trSubDeltaT = tmp<volScalarField>
-    (
-        new volScalarField
-        (
-            IOobject
-            (
-                "rSubDeltaT",
-                runTime.timeName(),
-                mesh
-            ),
-            mesh,
-            1/dimensionedScalar("maxDeltaT", dimTime, maxDeltaT)
-        )
-    );
-}

applications/solvers/multiphase/reactingTwoPhaseEulerFoam/setRDeltaT.H

 {
     volScalarField& rDeltaT = trDeltaT();
-    volScalarField& rSubDeltaT = trSubDeltaT();
 
     scalar rDeltaTSmoothingCoeff
     (
@@ -27,9 +26,4 @@
     Info<< "Flow time scale min/max = "
         << gMin(1/rDeltaT.internalField())
         << ", " << gMax(1/rDeltaT.internalField()) << endl;
-
-    const dictionary& alphaControls = mesh.solverDict(alpha1.name());
-    label nAlphaSubCycles(readLabel(alphaControls.lookup("nAlphaSubCycles")));
-
-    rSubDeltaT = rDeltaT*nAlphaSubCycles;
 }