Revert "pie: A quick workaround for PR_SET_DUMPABLE == 2 restore error."
Revert "pie: A quick workaround for PR_SET_DUMPABLE == 2 restore error."

This reverts commit 8870aa1e4f86da5fad087a31fe93bacd95144e09.

Signed-off-by: Filipe Brandenburger <46f5a0051bcaac06293374f80c77669d4919a80b@google.com>
Acked-by: Andrew Vagin <74c05afa918858348d6db8037d82fa8124870113@parallels.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@parallels.com>

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