Remove xtscal, pointercal and tslib reference from distro_alias.inc
file since we moved those recipes from oe-core
(From OE-Core rev: 7bcb388edf49b43b5642396cf1fb1036ed36e425)
Signed-off-by: Maxin B. John <maxin.john@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>