Remove satayev@ from api-check/OWNERS.

Also, remove mathewi@ who doesn't work on Android anymore.

Bug: N/A
Test: presubmit
Change-Id: I5b89da4d4850ab2a8e7ade92bdde9f78f7a2f9f0
diff --git a/tests/signature/api-check/OWNERS b/tests/signature/api-check/OWNERS
index 2e21bf8..cfd7cc6 100644
--- a/tests/signature/api-check/OWNERS
+++ b/tests/signature/api-check/OWNERS
@@ -2,5 +2,3 @@
 ngeoffray@google.com
 paulduffin@google.com
 andreionea@google.com
-mathewi@google.com
-satayev@google.com