Drop getrandom-open64.patch (merged upstream).
Revert c4f414f449
("Map source absolute paths to OUT_DIR as relative. (#684)") which
causes hashed versions of the build path to be used as part of the
filename of generated objects and hence reproducibility issues.
https://blog.rust-lang.org/2023/08/24/Rust-1.72.0.html
(From OE-Core rev: 30637cdeb31fae02544fdc643a455d0ebb126ee6)
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
