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

java/google/registry/ui/externs/BUILD

@@ -8,10 +8,5 @@ load("@io_bazel_rules_closure//closure:defs.bzl", "closure_js_library")
 
 closure_js_library(
     name = "externs",
-    externs = glob(["*.js"]),
-)
-
-filegroup(
-    name = "js_files_recursive",
     srcs = glob(["*.js"]),
 )