refactor: use the built-in max/min to simplify the code (#617)

Signed-off-by: pkucode <[email protected]>

Author: pkucode

internal/bft/requestpool.go

@@ -304,7 +304,7 @@ func (rp *Pool) NextRequests(maxCount int, maxSizeBytes uint64, check bool) (bat
 		}
 	}
 
-	count := minInt(rp.fifo.Len(), maxCount)
+	count := min(rp.fifo.Len(), maxCount)
 	var totalSize uint64
 	batch = make([][]byte, 0, count)
 	element := rp.fifo.Front()

internal/bft/util.go

@@ -60,13 +60,6 @@ func proposalSequence(m *protos.Message) uint64 {
 	return math.MaxUint64
 }
 
-func minInt(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
-
 // MarshalOrPanic marshals or panics when an error occurs
 func MarshalOrPanic(msg proto.Message) []byte {
 	b, err := proto.Marshal(msg)