Use buildozer to remove deprecated automanaged tags

vendor/github.com/docker/go-connections/nat/BUILD

@@ -14,7 +14,6 @@ go_library(
         "parse.go",
         "sort.go",
     ],
-    tags = ["automanaged"],
 )
 
 filegroup(

vendor/github.com/docker/go-connections/sockets/BUILD

@@ -24,7 +24,6 @@ go_library(
         ],
         "//conditions:default": [],
     }),
-    tags = ["automanaged"],
     deps = [
         "//vendor/golang.org/x/net/proxy:go_default_library",
     ] + select({

vendor/github.com/docker/go-connections/tlsconfig/BUILD

@@ -14,7 +14,6 @@ go_library(
         "config_client_ciphers.go",
         "config_legacy_client_ciphers.go",
     ],
-    tags = ["automanaged"],
     deps = ["//vendor/github.com/Sirupsen/logrus:go_default_library"],
 )