Remove redundant return value

And don't log the same error twice.

src/bank.rs

@@ -453,13 +453,11 @@ impl Bank {
     }
 
     /// Process an ordered list of entries.
-    pub fn process_entries(&self, entries: Vec<Entry>) -> Result<u64> {
-        let mut entry_count = 0;
+    pub fn process_entries(&self, entries: Vec<Entry>) -> Result<()> {
         for entry in entries {
-            entry_count += 1;
             self.process_entry(entry)?;
         }
-        Ok(entry_count)
+        Ok(())
     }
 
     /// Append entry blocks to the ledger, verifying them along the way.

src/replicate_stage.rs

@@ -62,11 +62,7 @@ impl ReplicateStage {
             ledger_writer.write_entries(entries)?;
         }
 
-        if res.is_err() {
-            error!("process_entries {:?}", res);
-        }
-        let _ = res?;
-
+        res?;
         Ok(())
     }
     pub fn new(