Revert "allow for range processor to stop before the main thread"

This reverts commit 544ef09.

Author: 0xNeshi

src/event_scanner/scanner/common.rs

@@ -147,10 +147,7 @@ fn spawn_log_consumers_in_stream_mode<N: Network>(
             loop {
                 match range_rx.recv().await {
                     Ok(message) => {
-                        if tx.send(message).await.is_err() {
-                            debug!("Range processor dropped, stopping range reception");
-                            break;
-                        }
+                        tx.send(message).await.expect("receiver dropped only if we exit this loop");
                     }
                     Err(RecvError::Closed) => {
                         debug!("No more block ranges to receive");