Temporarily disable steady ticks on progress bars

This fixes an issue where the fps and eta would not update
until the very end of the encode.

See also console-rs/indicatif#493

av1an-core/src/progress_bar.rs

@@ -83,7 +83,7 @@ pub fn init_progress_bar(len: u64) {
     PROGRESS_BAR.get_or_init(|| ProgressBar::new(len).with_style(spinner_style()))
   };
   pb.set_draw_target(ProgressDrawTarget::stderr_with_hz(60));
-  pb.enable_steady_tick(Duration::from_millis(100));
+  // pb.enable_steady_tick(Duration::from_millis(100));
   pb.reset();
   pb.reset_eta();
   pb.reset_elapsed();
@@ -187,7 +187,7 @@ pub fn init_multi_progress_bar(len: u64, workers: usize, total_chunks: usize) {
 
     let pb = ProgressBar::hidden();
     pb.set_style(pretty_progress_style());
-    pb.enable_steady_tick(Duration::from_millis(100));
+    // pb.enable_steady_tick(Duration::from_millis(100));
     pb.reset_elapsed();
     pb.reset_eta();
     pb.set_position(0);