Removed the registration for "DecodeProtoSparse" as there's no such an op any more. ("DecodeProtoSparseV2" is the current op. the old one's definition was removed at cl/190548707, which is out of the support range, and without the opdef, it's an error anyways..)
Removed the registration for "DecodeProtoSparse" as there's no such an op any more.
("DecodeProtoSparseV2" is the current op. the old one's definition was removed at cl/190548707, which is out of the support range, and without the opdef, it's an error anyways..)

PiperOrigin-RevId: 313613254

google/struct2tensor,google/struct2tensor,google/struct2tensor