Remove unnecessary BUILD dep in grpc_server README
Remove unnecessary BUILD dep in grpc_server README

PiperOrigin-RevId: 289950028
Change-Id: Ie24d98a964b03a6c2d4dc1f36817b2878f9aee32

google/asylo,google/asylo,google/asylo,google/asylo,google/asylo,google/asylo