Fix some typos (#4565)

consensus/fork_choice/src/fork_choice.rs

@@ -466,13 +466,10 @@ where
                 // for lower slots to account for skip slots.
                 .find(|(_, slot)| *slot <= ancestor_slot)
                 .map(|(root, _)| root)),
-            Ordering::Less => Ok(Some(block_root)),
-            Ordering::Equal =>
             // Root is older than queried slot, thus a skip slot. Return most recent root prior
             // to slot.
-            {
-                Ok(Some(block_root))
-            }
+            Ordering::Less => Ok(Some(block_root)),
+            Ordering::Equal => Ok(Some(block_root)),
         }
     }