proto/infra -> dc/proto

This cleans up proto/!

Change-Id: I3e280c16deef7ad0b01e6e409062831581ec863e
diff --git a/dc/topo/BUILD.bazel b/dc/topo/BUILD.bazel
index c10300c..83673e3 100644
--- a/dc/topo/BUILD.bazel
+++ b/dc/topo/BUILD.bazel
@@ -9,13 +9,13 @@
     importpath = "code.hackerspace.pl/hscloud/dc/topo",
     visibility = ["//visibility:private"],
     deps = [
+        "//dc/proto:go_default_library",
         "//dc/topo/assets:go_default_library",
         "//dc/topo/graph:go_default_library",
         "//dc/topo/proto:go_default_library",
         "//dc/topo/state:go_default_library",
         "//go/mirko:go_default_library",
         "//go/statusz: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_golang_glog//:go_default_library",