Use buildozer to remove deprecated automanaged tags

vendor/github.com/libopenstorage/openstorage/api/BUILD

@@ -14,7 +14,6 @@ go_library(
         "api.pb.go",
         "status.go",
     ],
-    tags = ["automanaged"],
     deps = [
         "//vendor/github.com/golang/protobuf/proto:go_default_library",
         "//vendor/go.pedge.io/pb/go/google/protobuf:go_default_library",

vendor/github.com/libopenstorage/openstorage/api/client/BUILD

@@ -13,7 +13,6 @@ go_library(
         "client.go",
         "request.go",
     ],
-    tags = ["automanaged"],
 )
 
 filegroup(

vendor/github.com/libopenstorage/openstorage/api/client/volume/BUILD

@@ -13,7 +13,6 @@ go_library(
         "client.go",
         "volume.go",
     ],
-    tags = ["automanaged"],
     deps = [
         "//vendor/github.com/libopenstorage/openstorage/api:go_default_library",
         "//vendor/github.com/libopenstorage/openstorage/api/client:go_default_library",

vendor/github.com/libopenstorage/openstorage/api/spec/BUILD

@@ -10,7 +10,6 @@ load(
 go_library(
     name = "go_default_library",
     srcs = ["spec_handler.go"],
-    tags = ["automanaged"],
     deps = [
         "//vendor/github.com/libopenstorage/openstorage/api:go_default_library",
         "//vendor/github.com/libopenstorage/openstorage/pkg/units:go_default_library",

vendor/github.com/libopenstorage/openstorage/pkg/units/BUILD

@@ -10,7 +10,6 @@ load(
 go_library(
     name = "go_default_library",
     srcs = ["units.go"],
-    tags = ["automanaged"],
 )
 
 filegroup(

vendor/github.com/libopenstorage/openstorage/volume/BUILD

@@ -14,7 +14,6 @@ go_library(
         "volume_driver_registry.go",
         "volume_not_supported.go",
     ],
-    tags = ["automanaged"],
     deps = ["//vendor/github.com/libopenstorage/openstorage/api:go_default_library"],
 )