Upgrade Nomulus to latest Closure Rules

Significant technical debt has been eliminated. The latest best
practices are also now adopted for dealing with runfiles and dealing
with files across repositories.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=140762937

third_party/javascript/closure/BUILD

@@ -1,15 +0,0 @@
-package(default_visibility = ["//visibility:public"])
-
-licenses(["notice"])  # Apache License 2.0
-
-load("@io_bazel_rules_closure//closure:defs.bzl", "closure_js_library")
-
-closure_js_library(
-    name = "closure",
-    exports = ["//third_party/closure/library"],
-)
-
-filegroup(
-    name = "js_files_recursive",
-    srcs = ["@closure_library//:js_files"],
-)