Revert "busybox: add upstream 1.16 fix"
This reverts commit 1d7b6f65c633865b25c8603975f9aec88e4e1275.
The fsync patch tries to add the same lines already added by
busybox-1.16.0-compat.patch, so skip it.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>