remove prints

chain/epoch-manager/src/tests/mod.rs

@@ -1054,7 +1054,6 @@ fn test_expected_chunks() {
             .into_iter()
             .collect::<HashMap<_, _>>()
     );
-    println!("{:?}", epoch_info.validator_reward());
 }
 
 #[test]

core/primitives/src/types.rs

@@ -997,6 +997,8 @@ pub struct ValidatorStats {
 }
 
 impl ValidatorStats {
+    /// Compare stats with threshold which is an expected percentage from 0 to
+    /// 100.
     pub fn less_than(&self, threshold: u8) -> bool {
         self.produced * 100 < u64::from(threshold) * self.expected
     }