Remove unused import from demo/BUILD
diff --git a/demo/BUILD b/demo/BUILD
index 03a6535..9a46fa2 100644
--- a/demo/BUILD
+++ b/demo/BUILD
@@ -1,5 +1,5 @@
 load("@rules_cc//cc:defs.bzl", "cc_library")
-load("//tools/bazel:rust.bzl", "rust_binary", "rust_library")
+load("//tools/bazel:rust.bzl", "rust_binary")
 
 rust_binary(
     name = "demo",