tutorials: Removed 0.orig directories in favor of <field>.orig

The new automated <field>.orig reading has made 0.orig directories and
associated scripting redundant.

tutorials/multiphase/compressibleMultiphaseInterFoam/laminar/damBreak4phase/0.orig/alphas

@@ -1,47 +0,0 @@
-/*--------------------------------*- C++ -*----------------------------------*\
-| =========                 |                                                 |
-| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
-|  \\    /   O peration     | Version:  dev                                   |
-|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
-|    \\/     M anipulation  |                                                 |
-\*---------------------------------------------------------------------------*/
-FoamFile
-{
-    version     2.0;
-    format      ascii;
-    class       volScalarField;
-    location    "0";
-    object      alphas;
-}
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
-
-dimensions      [0 0 0 0 0 0 0];
-
-internalField   uniform 0;
-
-boundaryField
-{
-    leftWall
-    {
-        type            zeroGradient;
-    }
-    rightWall
-    {
-        type            zeroGradient;
-    }
-    lowerWall
-    {
-        type            zeroGradient;
-    }
-    atmosphere
-    {
-        type            zeroGradient;
-    }
-    defaultFaces
-    {
-        type            empty;
-    }
-}
-
-
-// ************************************************************************* //

tutorials/multiphase/compressibleMultiphaseInterFoam/laminar/damBreak4phase/Allclean

@@ -6,6 +6,6 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 cleanCase
 
-rm -rf 0
+rm -rf 0/T.* 0/alphas
 
 #------------------------------------------------------------------------------

tutorials/multiphase/compressibleMultiphaseInterFoam/laminar/damBreak4phase/Allrun

@@ -7,9 +7,6 @@ cd ${0%/*} || exit 1    # Run from this directory
 # Set application name
 application=`getApplication`
 
-rm -rf 0
-cp -r 0.orig 0
-
 runApplication blockMesh
 runApplication setFields
 runApplication $application

tutorials/multiphase/compressibleMultiphaseInterFoam/laminar/damBreak4phase/system/setFieldsDict

@@ -21,7 +21,6 @@ defaultFieldValues
     volScalarFieldValue alpha.water 0
     volScalarFieldValue alpha.oil 0
     volScalarFieldValue alpha.mercury 0
-    volVectorFieldValue U (0 0 0)
 );
 
 regions