STYLE: remove unnecessary stdout, stderr /dev/null redirects

- no stderr redirect needed:
    * 'command -v'

- no stdout/stderr redirect needed:
    * 'rm -f'

STYLE: consistent spacing after redirects

tutorials/incompressible/lumpedPointMotion/building/Allrun

@@ -62,7 +62,7 @@ copyParallelPointDisplacement()
             if [ -d "$proc/$latestTime" -a ! -d "$proc/$deltaT" ]
             then
                 mv $proc/$latestTime $proc/$deltaT
-                \rm -rf $proc/$deltaT/uniform
+                rm -rf "$proc/$deltaT/uniform"
             fi
         done
     )

tutorials/incompressible/lumpedPointMotion/building/files/Allrun.transient

@@ -4,7 +4,7 @@ cd ${0%/*} || exit 1                                # Run from this directory
 #------------------------------------------------------------------------------
 
 # Cleanup old junk that may prevent things from starting
-\rm -f comms/OpenFOAM.lock
+rm -f comms/OpenFOAM.lock
 
 # If OpenFOAM stops prematurely, trigger the external solver to stop
 trap '[ -e comms/OpenFOAM.lock ] && echo "status=done" > comms/OpenFOAM.lock' EXIT TERM INT

tutorials/incompressible/lumpedPointMotion/building/steady/Allrun.pre

@@ -10,7 +10,7 @@ cp $FOAM_TUTORIALS/resources/geometry/building_wtc2.obj constant/triSurface/
 # runApplication surfaceFeatureExtract
 runApplication blockMesh
 
-\rm -f constant/polyMesh/*Level
+rm -f constant/polyMesh/*Level
 
 unset parallel
 parallel=true
@@ -23,7 +23,7 @@ then
     # Serial
 
     runApplication snappyHexMesh -overwrite
-    \rm -f constant/polyMesh/refinementHistory*
+    rm -f constant/polyMesh/refinementHistory*
 
     restore0Dir