Allwmake: Remove 'set -x' which generates a lot of noise

'set -x' should be used for debugging.

Added command printing into wmake and Allwmake as a replacement for
'set -x' to log current target.

tutorials/incompressible/SRFPimpleFoam/rotor2D/makeMesh

@@ -1,8 +1,6 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
 
-set -x
-
 m4 < system/blockMeshDict.m4 > system/blockMeshDict
 blockMesh > log.blockMesh 2>&1