Remove obsolete gVisor-specific test condition.
Remove obsolete gVisor-specific test condition.

PiperOrigin-RevId: 231274510
Change-Id: I8f65157dbe18dae1c6235147fc4d27e0c844c833

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor