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.

doc/Allwmake

@@ -1,6 +1,5 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
-set -x
 
 # fix permissions (NB: '+X' and not '+x'!)
 chmod a+rX $WM_PROJECT_DIR $WM_PROJECT_DIR/doc Doxygen