dm: script: remove guest cpu number

Remove the '-c' option from all scripts as it has been removed from
dm code.

Tracked-On: #3663
Signed-off-by: Conghui Chen <conghui.chen@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Binbin Wu <binbin.wu@intel.com>

devicemodel/samples/nuc/launch_vxworks.sh

@@ -21,7 +21,7 @@ mem_size=2048M
 #      offically now and we are working on upstream the front-end drivers.
 #      OVMF console is not available with default parameters.
 
-acrn-dm -A -m $mem_size -c $2 -s 0:0,hostbridge \
+acrn-dm -A -m $mem_size -s 0:0,hostbridge \
   -s 5,virtio-console,@stdio:stdio_port \
   -s 3,virtio-blk,./VxWorks.img \
   --virtio_poll 1000000 \
@@ -47,4 +47,4 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         fi
 done
 
-launch_vxworks 1 1
+launch_vxworks 1