There is no __check_files in rpm/macros any more, so remove the sed
command.
(From OE-Core rev: 53c8c290e5d25976909a821eead31633b25b9952)
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>