wireless-tools: remove the recipe

wireless-tools: remove the recipe

wireless-tools have been obsolete and superseded by iw for a very long time.

I've checked that images continue to boot and the graphical connman frontend
is still able to list wireless networks; there is no evidence that
wireless-tools are needed by anything.

[YOCTO #12727]

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>