project-lakitu: disable file limits to max

The change in containerd is
because of performance regression with accounting overhead
and where as the systemd upstream pushed those limit
to be able use kernel memcg.
Docker also uses INFINITY as the limit
https://github.com/moby/moby/blob/master/contrib/init/systemd/docker.service#L31.
Limits are ignored in ExecPreStart - another concern if set the LIMITNOFILE
in dockerd and containerd
Disabling the file limits in systemd



BUG=b/195443901
TEST=manual verification
RELEASE_NOTE=None

Change-Id: I42a0d674b863ebd04d02a5d90e8b93cd97d38ce8
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/21911
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
diff --git a/project-lakitu/sys-apps/systemd/systemd-248.6.ebuild b/project-lakitu/sys-apps/systemd/systemd-248.6.ebuild
index 7a60570..2372781 100644
--- a/project-lakitu/sys-apps/systemd/systemd-248.6.ebuild
+++ b/project-lakitu/sys-apps/systemd/systemd-248.6.ebuild
@@ -394,6 +394,8 @@
 		-Dsysusers=false
 		-Dtimesyncd=false
 		-Dvconsole=false
+		-Dbump-proc-sys-fs-file-max=false
+		-Dbump-proc-sys-fs-nr-open=false
 	)