Clean up OWNERS files.

- Remove inactive owners.
- Remove some owners entries that were simply copied over from Chromium
  OWNERS files.

Change-Id: I43c37d7eb61c25394952bffa7b506c77ea82d1f3
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/82131
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/OWNERS b/OWNERS
index a7896f5..e65ff14 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,12 +1,8 @@
-dsinclair@chromium.org
 jam@chromium.org
 npm@chromium.org
 thestig@chromium.org
 tsepez@chromium.org
 weili@chromium.org
 
-# For V8 related changes
-jochen@chromium.org
-
 # For Skia related changes
 reed@google.com
diff --git a/third_party/base/allocator/partition_allocator/OWNERS b/third_party/base/allocator/partition_allocator/OWNERS
index 5845072..95d9982 100644
--- a/third_party/base/allocator/partition_allocator/OWNERS
+++ b/third_party/base/allocator/partition_allocator/OWNERS
@@ -1,5 +1,2 @@
-ajwong@chromium.org
-haraken@chromium.org
 palmer@chromium.org
 tsepez@chromium.org
-
diff --git a/third_party/base/numerics/OWNERS b/third_party/base/numerics/OWNERS
index f7816af..4af7c7b 100644
--- a/third_party/base/numerics/OWNERS
+++ b/third_party/base/numerics/OWNERS
@@ -1,3 +1,2 @@
-jschuh@chromium.org
 tsepez@chromium.org
 palmer@chromium.org