There's an install race in when building in parallel, remove a redundant rule to
stop it happening.
(From OE-Core rev: cbdd4099b06011f2b73743c715276c730b7bf576)
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
