[POWERPC] Remove dtc build cruft from DTS files

The patch below removes the dtc incantation instructions from the
in-kernel DTS files.  It's not needed, and is prone to being
out-of-date most of the time.

Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>

arch/powerpc/boot/dts/kuroboxHD.dts

@@ -15,9 +15,6 @@
 
 XXXX add flash parts, rtc, ??
 
-build with: "dtc -f -I dts -O dtb -o kuroboxHD.dtb -V 16 kuroboxHD.dts"
-
-
  */
 
 / {