get rid of unused globally-scoped notes

abstutil/Cargo.toml

@@ -6,7 +6,6 @@ edition = "2018"
 
 [dependencies]
 bincode = "1.1.2"
-lazy_static = "1.3.0"
 num_cpus = "1.10.0"
 rand = "0.7.0"
 rand_xorshift = "0.2.0"

abstutil/src/lib.rs

@@ -3,7 +3,6 @@ mod collections;
 mod error;
 mod io;
 mod logs;
-mod notes;
 mod random;
 mod time;
 
@@ -19,7 +18,6 @@ pub use crate::io::{
     FileWithProgress,
 };
 pub use crate::logs::Warn;
-pub use crate::notes::note;
 pub use crate::random::{fork_rng, WeightedUsizeChoice};
 pub use crate::time::{
     elapsed_seconds, prettyprint_usize, MeasureMemory, Profiler, Timer, TimerSink,

abstutil/src/notes.rs

@@ -1,23 +0,0 @@
-use lazy_static::lazy_static;
-use std::sync::Mutex;
-
-// TODO Maybe just use Timer.
-
-lazy_static! {
-    static ref NOTES: Mutex<Vec<String>> = Mutex::new(Vec::new());
-}
-
-pub fn note(msg: String) {
-    NOTES.lock().unwrap().push(msg);
-}
-
-pub fn dump_notes() {
-    let mut notes = NOTES.lock().unwrap();
-
-    // TODO log or println?
-    for msg in notes.iter() {
-        println!("{}", msg);
-    }
-
-    notes.clear();
-}

abstutil/src/time.rs

@@ -1,4 +1,4 @@
-use crate::{notes, PROGRESS_FREQUENCY_SECONDS};
+use crate::PROGRESS_FREQUENCY_SECONDS;
 use std::collections::HashMap;
 use std::fs::File;
 use std::io::{stdout, BufReader, Error, Read, Write};
@@ -386,7 +386,6 @@ impl<'a> std::ops::Drop for Timer<'a> {
             }
             self.println(String::new());
         }
-        notes::dump_notes();
 
         if !self.warnings.is_empty() {
             self.println(format!("{} warnings:", self.warnings.len()));