hooks: Remove jetstream net-firewall/ebtables exceptions

After submitting the dependent CL, we have this warning:
WARNING:root:Package has improved; please update BAD_VAR_PACKAGES

BUG=b:150694545
TEST=emerge-mistral ebtables
build_packages also still succeeds

Cq-Depend: chrome-internal:2678907
Change-Id: I9471ffb5f731a63e22e2f92304d418923a1b068e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2088008
Tested-by: Aileen Cheng <chengaileen@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Aileen Cheng <chengaileen@google.com>
diff --git a/hooks/filesystem-sanity.py b/hooks/filesystem-sanity.py
index e6e42cf..ce85e3a 100755
--- a/hooks/filesystem-sanity.py
+++ b/hooks/filesystem-sanity.py
@@ -109,8 +109,6 @@
     'media-sound/alsa-utils',
     'net-analyzer/netperf',
     'net-dns/dnsmasq',
-    # TODO(b/150694545): Delete this.
-    'net-firewall/ebtables',
     'net-firewall/iptables',
     'net-firewall/nftables',
     'net-fs/samba',