go/svc: finish porting services to Bazel

The following services were never ported:
 - cmc-proxy
 - arista-proxy
 - m6220-proxy
 - topo

They now build.

Change-Id: I0688bfe43cdff946e6662e21969ef539382c0e86
diff --git a/go/svc/topo/BUILD.bazel b/go/svc/topo/BUILD.bazel
index 5e4abff..93c92a5 100644
--- a/go/svc/topo/BUILD.bazel
+++ b/go/svc/topo/BUILD.bazel
@@ -1,18 +1,4 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
-load("@io_bazel_rules_go//proto:def.bzl", "go_proto_library")
-
-proto_library(
-    name = "proto_proto",
-    srcs = ["config.proto"],
-    visibility = ["//visibility:public"],
-)
-
-go_proto_library(
-    name = "proto_go_proto",
-    importpath = "code.hackerspace.pl/hscloud/go/svc/topo",
-    proto = ":proto_proto",
-    visibility = ["//visibility:public"],
-)
 
 go_library(
     name = "go_default_library",
@@ -20,19 +6,18 @@
         "main.go",
         "service.go",
     ],
-    embed = [":proto_go_proto"],
     importpath = "code.hackerspace.pl/hscloud/go/svc/topo",
     visibility = ["//visibility:private"],
     deps = [
         "//go/mirko:go_default_library",
-        "//go/proto/infra:go_default_library",
         "//go/statusz:go_default_library",
+        "//go/svc/topo/assets:go_default_library",
         "//go/svc/topo/graph:go_default_library",
         "//go/svc/topo/proto:go_default_library",
         "//go/svc/topo/state:go_default_library",
+        "//proto/infra:go_default_library",
         "@com_github_digitalocean_go_netbox//netbox:go_default_library",
         "@com_github_digitalocean_go_netbox//netbox/client:go_default_library",
-        "@com_github_gobuffalo_packr//:go_default_library",
         "@com_github_golang_glog//:go_default_library",
         "@com_github_golang_protobuf//proto:go_default_library",
         "@ml_vbom_util//sortorder:go_default_library",