Remove lpy@google.com from libs/ui/OWNERS

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Change-Id: Ic27ba58a37b284331eccded893093fea6abbb460

Author: Owner Cleanup Bot

libs/ui/OWNERS

@@ -2,6 +2,5 @@ adyabr@google.com
 alecmouri@google.com
 chrisforbes@google.com
 jreck@google.com
-lpy@google.com
 mathias@google.com
 romainguy@google.com