[roll third_party/pigweed] Revert "pw_env_setup: Fix double bootstrap.bat failures on Windows"

This reverts commit 20b325b70d0a8eba942cba816b2bafea0dac3129.

Reason for revert: b/301629535

Original change's description:
> pw_env_setup: Fix double bootstrap.bat failures on Windows
>
> Bug: b/300992566
> Change-Id: Iad869d8233a064aabab4202e279ef35d0e002432
> Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/172410
> Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
> Reviewed-by: Armando Montanez <amontanez@google.com>
> Commit-Queue: Erik Gilling <konkers@google.com>

TBR=amontanez@google.com,pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com,konkers@google.com

Original-Bug: b/300992566
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/172375

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: c5b0fe6fde3f2b4..2b4d032535d1625
Roller-URL: https://ci.chromium.org/b/8769230058914324849
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I752e235c6d218975e7d92fe9efb9f8208293b531
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/172268
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index c5b0fe6..2b4d032 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c5b0fe6fde3f2b4284016ed162f6e5a10ac13a91
+Subproject commit 2b4d032535d1625b42efdff97b0ee518cc50a03b