The configure.ac uses pkg-config now and this macro doesn't exist in the tarball
anymore, so remove the deletion.
(From OE-Core rev: 371ec2cb0ed5b04082b29b949cb831d69a8ebb32)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>