Use buildozer to remove deprecated automanaged tags

Kubernetes-commit: 532bd482dfbe25c6fc970d2175f7e02fec2fc8c0

pkg/apis/audit/v1beta1/BUILD

@@ -18,7 +18,6 @@ go_library(
         "zz_generated.deepcopy.go",
         "zz_generated.defaults.go",
     ],
-    tags = ["automanaged"],
     deps = [
         "//vendor/github.com/gogo/protobuf/proto:go_default_library",
         "//vendor/k8s.io/api/authentication/v1:go_default_library",

pkg/authentication/token/cache/BUILD

@@ -15,7 +15,6 @@ go_test(
         "cached_token_authenticator_test.go",
     ],
     library = ":go_default_library",
-    tags = ["automanaged"],
     deps = [
         "//vendor/github.com/pborman/uuid:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/util/clock:go_default_library",
@@ -31,7 +30,6 @@ go_library(
         "cache_striped.go",
         "cached_token_authenticator.go",
     ],
-    tags = ["automanaged"],
     deps = [
         "//vendor/k8s.io/apimachinery/pkg/util/cache:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/util/clock:go_default_library",

pkg/authentication/token/union/BUILD

@@ -12,14 +12,12 @@ go_test(
     name = "go_default_test",
     srcs = ["unionauth_test.go"],
     library = ":go_default_library",
-    tags = ["automanaged"],
     deps = ["//vendor/k8s.io/apiserver/pkg/authentication/user:go_default_library"],
 )
 
 go_library(
     name = "go_default_library",
     srcs = ["union.go"],
-    tags = ["automanaged"],
     deps = [
         "//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/authentication/authenticator:go_default_library",