roll: third_party/pigweed pw_digital_io_mcuxpresso: Remove McuxpressoInterruptController

McuxpressoInterruptController::GetState() is no longer used, so remove
it (which is this the primary objective of this change).

Original-Bug: 337927184
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/259132
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 4a2fd44d2b0adeff89314a7274330b2a143ea272

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 15d4ae5ff36cd4..4a2fd44d2b0ade
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8726200219475340545
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8fb767b8165f55d2d27ca828fdf521260c2059d2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/259232
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 15d4ae5..4a2fd44 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 15d4ae5ff36cd452023fdfc07835f5f1635f05ef
+Subproject commit 4a2fd44d2b0adeff89314a7274330b2a143ea272