message: Delete unnecessary target in testing/go/BUILD.bazel.
diff: -load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_binary", "go_test")
  +load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library", "go_test")
  load("@rules_proto_grpc//go:defs.bzl", "go_grpc_library")
  package(
  @@ -8,11 +8,6 @@ package(
  licenses(["notice"])
  -proto_library(
  - name = "testing_api_proto",
  - srcs = ["testing_api.proto"],
  -)
  -
  go_grpc_library(
  name = "testing_api_go_grpc",
  importpath = "github.com/google/tink/proto/testing/testing_api_go_grpc",
  @@ -21,18 +16,18 @@ go_grpc_library(
  go_library(
  name = "services",
  - importpath = "github.com/google/tink/testing/go/services",
  srcs = [
  "aead_service.go",
  "keyset_service.go",
  ],
  + importpath = "github.com/google/tink/testing/go/services",
  deps = [
  ":testing_api_go_grpc",
  "@com_github_golang_protobuf//proto:go_default_library",
  "@tink_go//aead:go_default_library",
  - "@tink_go//testkeyset:go_default_library",
  "@tink_go//keyset:go_default_library",
  "@tink_go//proto:tink_go_proto",
  + "@tink_go//testkeyset:go_default_library",
  ],
  )
  