vhdl: Silence a few warnings for the time being

Author: fabianschuiki

src/vhdl/hir/lib.rs

@@ -1,5 +1,7 @@
 // Copyright (c) 2016-2021 Fabian Schuiki
 
+#![allow(dead_code)]
+
 use crate::hir::prelude::*;
 
 use crate::common::name::{get_name_table, Name};

src/vhdl/lib.rs

@@ -4,6 +4,7 @@
 
 #![allow(bare_trait_objects)] // Remove this once fixed
 #![allow(unused_doc_comments)] // Remove this once fixed
+#![allow(dead_code)]
 
 #[macro_use]
 extern crate lazy_static;