remove pointercal reference from layer.conf file since we moved the
pointercal recipe from oe-core.
(From OE-Core rev: 7a0f93956f43a5d000e845eeb429e9e37d48ae2e)
Signed-off-by: Maxin B. John <maxin.john@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>