Remove dependency of aos web proxy demo on y2020

It appears this wasn't used at all.  The demo uses
--config=aos/network/www/test_config.json

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I5b0a00cda626c22b32632ee0e428fd9b63f83b7c
diff --git a/aos/network/www/BUILD b/aos/network/www/BUILD
index 81b9e16..73b991e 100644
--- a/aos/network/www/BUILD
+++ b/aos/network/www/BUILD
@@ -184,7 +184,6 @@
         ":reflection_test_bundle.min.js",
         ":test_config",
         "//aos/network:web_proxy_main",
-        "//y2020:aos_config",
     ],
     target_compatible_with = ["@platforms//os:linux"],
 )