Remove inactive OWNERS

Change-Id: I82bb648ec444541d3119e859c51365a0a45f8b09
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/127070
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>
diff --git a/OWNERS b/OWNERS
index c1a96c3..12ecd8e 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,5 +1,3 @@
-jam@chromium.org
-nigi@chromium.org
 npm@chromium.org
 thestig@chromium.org
 tsepez@chromium.org