move proto and V4Mangle to hbb_common

build.rs

@@ -1,10 +0,0 @@
-fn main() {
-    protobuf_codegen_pure::run(protobuf_codegen_pure::Args {
-        out_dir: "src/protos",
-        input: &["protos/message.proto"],
-        includes: &["protos"],
-        customize: protobuf_codegen_pure::Customize {
-            ..Default::default()
-        },
-    }).unwrap();
-}