roll: pigweed, pw_toolchain: pw_sync: Remove multiplexers

Original-Bug: 347998044
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/216819
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 630750e177353d5..60532cd8bdd59fe
Roller-URL: https://ci.chromium.org/b/8744122420278913297
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I28ff0ae2ee16a4af128108a005dbf28c97ac6924
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/218255
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/WORKSPACE b/WORKSPACE
index 2dd224f..97dc972 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-06-25.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8744122819792714977.
-    commit = "630750e177353d58b23c3bdc6ccddb88362cce60",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8744122420278913297.
+    commit = "60532cd8bdd59fe6041af8221bbbf5d44bc002e3",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-06-25.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8744122819792714977.
-    commit = "630750e177353d58b23c3bdc6ccddb88362cce60",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8744122420278913297.
+    commit = "60532cd8bdd59fe6041af8221bbbf5d44bc002e3",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )