roll: third_party/pigweed pw_bluetooth: Fixup IWYU pragmas

After pwrev.dev/270152 we no longer need these pragmas for check.h, and
pw_unit_test/framework.h has not required them for a while either.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271453
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 2134bf8c3088bda5704415fe41095f1e84e8d4dd

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 8f3a705d951c15..2134bf8c3088bd
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8721662237537852289
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia445b435aebf9609a0a2b3073fbcaafb211bf411
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/272054
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 8f3a705..2134bf8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 8f3a705d951c154243f2e29448f6ba3ebff67822
+Subproject commit 2134bf8c3088bda5704415fe41095f1e84e8d4dd