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/interFoam/RAS/DTCHullWave/Allclean

@@ -11,7 +11,6 @@ rm -f constant/triSurface/DTC-scaled.eMesh > /dev/null 2>&1
 
 cleanCase
 rm constant/polyMesh/boundary > /dev/null 2>&1
-rm -rf 0 > /dev/null 2>&1
 rm system/topoSetDict > /dev/null 2>&1
 
 #------------------------------------------------------------------------------

tutorials/multiphase/interFoam/RAS/DTCHullWave/Allrun

@@ -23,9 +23,6 @@ done
 
 runApplication snappyHexMesh -overwrite
 
-rm -rf 0
-cp -r 0.orig 0
-
 runApplication setWaves -alpha alpha.water
 
 runApplication decomposePar
@@ -35,3 +32,5 @@ runParallel renumberMesh -overwrite
 runParallel $(getApplication)
 
 runApplication reconstructPar
+
+#------------------------------------------------------------------------------