roll: third_party/pigweed pw_package: Remove old Zephyr version comments

Original-Fixed: b/419324663
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/294372
Tests-Not-Needed: Rob Mohr <mohrr@google.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: a2960795b07b2cc0de12389803e74047811c023b

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: f69d7754a173c4..a2960795b07b2c
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8713743645196539537
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic6ba897f6318be138f99e8067755ebbf3a6c99ba
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/294552
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index f69d775..a296079 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f69d7754a173c42c5fc07ed1b17df09793fdb1a7
+Subproject commit a2960795b07b2cc0de12389803e74047811c023b