Use buildozer to remove deprecated automanaged tags

vendor/github.com/coreos/pkg/capnslog/BUILD

@@ -24,7 +24,6 @@ go_library(
         ],
         "//conditions:default": [],
     }),
-    tags = ["automanaged"],
     deps = ["//vendor/github.com/coreos/go-systemd/journal:go_default_library"],
 )
 

vendor/github.com/coreos/pkg/dlopen/BUILD

@@ -19,7 +19,6 @@ go_library(
     }),
     cgo = True,
     clinkopts = ["-ldl"],
-    tags = ["automanaged"],
 )
 
 filegroup(

vendor/github.com/coreos/pkg/health/BUILD

@@ -10,7 +10,6 @@ load(
 go_library(
     name = "go_default_library",
     srcs = ["health.go"],
-    tags = ["automanaged"],
     deps = ["//vendor/github.com/coreos/pkg/httputil:go_default_library"],
 )
 

vendor/github.com/coreos/pkg/httputil/BUILD

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

vendor/github.com/coreos/pkg/timeutil/BUILD

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