Update some OWNERS files.

Update entries in overrides due to team changes.

Change-Id: If45569f6b5d3fc172890cfa6ff2581364f8e8eef
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/191422
Auto-Submit: dan sinclair <dsinclair@chromium.org>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
diff --git a/src/dawn/node/OWNERS b/src/dawn/node/OWNERS
index d19725d..3bd372a 100644
--- a/src/dawn/node/OWNERS
+++ b/src/dawn/node/OWNERS
@@ -1,2 +1 @@
 amaiorano@google.com
-bclayton@google.com
diff --git a/src/tint/OWNERS b/src/tint/OWNERS
index 07dae49..ee30ba4 100644
--- a/src/tint/OWNERS
+++ b/src/tint/OWNERS
@@ -1,5 +1,4 @@
 amaiorano@google.com
-bclayton@google.com
 chouinard@google.com
 dneto@google.com
 dsinclair@chromium.org
diff --git a/third_party/gn/dxc/OWNERS b/third_party/gn/dxc/OWNERS
index d19725d..7c5ed6c 100644
--- a/third_party/gn/dxc/OWNERS
+++ b/third_party/gn/dxc/OWNERS
@@ -1,2 +1,2 @@
 amaiorano@google.com
-bclayton@google.com
+chouinard@google.com
diff --git a/tools/OWNERS b/tools/OWNERS
index 2d06395..f0dd6ba 100644
--- a/tools/OWNERS
+++ b/tools/OWNERS
@@ -1,7 +1,5 @@
 amaiorano@google.com
 bajones@chromium.org
-bclayton@chromium.org
-bclayton@google.com
 cwallez@chromium.org
 dneto@google.com
 dsinclair@chromium.org