Bazel: Remove unused import

Change-Id: If038224578e5bd00163d811a1d96f963213042a3
diff --git a/polygerrit-ui/BUILD b/polygerrit-ui/BUILD
index 021ce08..7bca96d 100644
--- a/polygerrit-ui/BUILD
+++ b/polygerrit-ui/BUILD
@@ -1,6 +1,5 @@
 load("@io_bazel_rules_go//go:def.bzl", "go_binary")
 load("//tools/bzl:genrule2.bzl", "genrule2")
-load("@build_bazel_rules_nodejs//:index.bzl", "nodejs_binary")
 
 package(default_visibility = ["//visibility:public"])