proto/infra -> dc/proto

This cleans up proto/!

Change-Id: I3e280c16deef7ad0b01e6e409062831581ec863e
diff --git a/dc/topo/state/BUILD.bazel b/dc/topo/state/BUILD.bazel
index 892e302..fefb3ef 100644
--- a/dc/topo/state/BUILD.bazel
+++ b/dc/topo/state/BUILD.bazel
@@ -6,9 +6,9 @@
     importpath = "code.hackerspace.pl/hscloud/dc/topo/state",
     visibility = ["//visibility:public"],
     deps = [
+        "//dc/proto:go_default_library",
         "//dc/topo/proto:go_default_library",
         "//go/pki:go_default_library",
-        "//proto/infra:go_default_library",
         "@org_golang_google_grpc//:go_default_library",
     ],
 )