awooter: clean up unused code

common/route/awooter/rust/src/lib.rs

@@ -1,33 +1,16 @@
 use std::{
     collections::HashMap,
     ptr::NonNull,
-    sync::{atomic::AtomicUsize, Mutex, RwLock}, time::Instant,
+    sync::atomic::AtomicUsize, time::Instant,
 };
 
 use colored::Colorize;
 use indicatif::{ProgressBar, ProgressStyle, ParallelProgressIterator};
 use rayon::prelude::*;
 
-use crate::npnr::PortRef;
-
 #[macro_use]
 mod npnr;
 
-enum Subpartition {
-    Part(Box<Partition>),
-    Nets(Vec<Net>),
-}
-
-struct Partition {
-    parts: [Option<Subpartition>; 4],
-    borders: [[Vec<npnr::WireId>; 4]; 4],
-}
-
-struct Net {
-    source: npnr::WireId,
-    sinks: Vec<npnr::WireId>,
-}
-
 #[no_mangle]
 pub extern "C" fn npnr_router_awooter(ctx: Option<NonNull<npnr::Context>>) -> bool {
     std::panic::catch_unwind(move || {
@@ -192,12 +175,6 @@ fn partition_nets(
         y_str.bold()
     );
 
-    // BUG: because pips don't specify direction, this puts pips of opposite directions
-    // in the same entry. This is bad, since it could lead to selecting a pip of the
-    // wrong direction.
-    //
-    // Possibly fixed? I need to double-check.
-
     let mut candidates = 0;
     let mut north = 0;
     let mut east = 0;