Use buildozer to remove deprecated automanaged tags

pkg/controller/certificates/BUILD

@@ -12,7 +12,6 @@ go_library(
         "certificate_controller.go",
         "certificate_controller_utils.go",
     ],
-    tags = ["automanaged"],
     visibility = [
         ":__subpackages__",
         "//cmd/gke-certificates-controller:__subpackages__",
@@ -59,7 +58,6 @@ go_test(
     name = "go_default_test",
     srcs = ["certificate_controller_test.go"],
     library = ":go_default_library",
-    tags = ["automanaged"],
     deps = [
         "//pkg/controller:go_default_library",
         "//vendor/k8s.io/api/certificates/v1beta1:go_default_library",

pkg/controller/certificates/approver/BUILD

@@ -12,7 +12,6 @@ go_test(
     name = "go_default_test",
     srcs = ["sarapprove_test.go"],
     library = ":go_default_library",
-    tags = ["automanaged"],
     deps = [
         "//pkg/apis/certificates/v1beta1:go_default_library",
         "//vendor/k8s.io/api/authorization/v1beta1:go_default_library",
@@ -27,7 +26,6 @@ go_test(
 go_library(
     name = "go_default_library",
     srcs = ["sarapprove.go"],
-    tags = ["automanaged"],
     deps = [
         "//pkg/apis/certificates/v1beta1:go_default_library",
         "//pkg/controller/certificates:go_default_library",

pkg/controller/certificates/signer/BUILD

@@ -17,7 +17,6 @@ go_test(
         "testdata/kubelet.csr",
     ],
     library = ":go_default_library",
-    tags = ["automanaged"],
     deps = [
         "//vendor/k8s.io/api/certificates/v1beta1:go_default_library",
         "//vendor/k8s.io/client-go/util/cert:go_default_library",
@@ -27,7 +26,6 @@ go_test(
 go_library(
     name = "go_default_library",
     srcs = ["cfssl_signer.go"],
-    tags = ["automanaged"],
     deps = [
         "//pkg/controller/certificates:go_default_library",
         "//vendor/github.com/cloudflare/cfssl/config:go_default_library",