fix(emqx_resource): disable the debug print for parse-transformed code

apps/emqx_resource/rebar.config

@@ -1,6 +1,6 @@
 {erl_opts, [ debug_info
            , nowarn_unused_import
-           , {d, 'RESOURCE_DEBUG'}
+           %, {d, 'RESOURCE_DEBUG'}
            ]}.
 
 {erl_first_files, ["src/emqx_resource_transform.erl"]}.