hooks: Remove jetstream net-wireless/wpantund exception

BUG=b:150694105
TEST=emerge-mistral net-wireless/wpantund
build_packages also still succeeds

Cq-Depend: chrome-internal:2686334
Change-Id: Icf9d0cbd742af4114e1553452ab6a1a7cb2185bf
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/2091069
Tested-by: Aileen Cheng <chengaileen@google.com>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/hooks/filesystem-sanity.py b/hooks/filesystem-sanity.py
index 78a7472..e6e42cf 100755
--- a/hooks/filesystem-sanity.py
+++ b/hooks/filesystem-sanity.py
@@ -74,8 +74,6 @@
 BAD_ROOT_PACKAGES = {
     # TODO(crbug.com/1003107): Delete this.
     'dev-go/go-tools',
-    # TODO(b/150694105): Delete this.
-    'net-wireless/wpantund',
 }
 
 # These SDK packages need cleanup.