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.

applications/solvers/compressible/rhoCentralFoam/Allwclean

@@ -1,6 +1,5 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
-set -x
 
 wclean libso BCs
 wclean

applications/solvers/compressible/rhoCentralFoam/Allwmake

@@ -3,7 +3,6 @@ cd ${0%/*} || exit 1    # Run from this directory
 
 # Parse arguments for library compilation
 . $WM_PROJECT_DIR/wmake/scripts/AllwmakeParseArguments
-set -x
 
 (wmake $targetType BCs && wmake $targetType && wmake $targetType rhoCentralDyMFoam)