Cleanup pools from wrappes

wrappers/packetack/client_abridged.go

@@ -88,9 +88,7 @@ func (w *wrapperClientAbridged) Write(packet conntypes.Packet, acks *conntypes.C
 		return nil
 	case packetLength < clientAbridgedLargePacketLength:
 		length24 := utils.ToUint24(uint32(packetLength))
-
-		buf := acquireClientBytesBuffer()
-		defer releaseClientBytesBuffer(buf)
+		buf := bytes.Buffer{}
 
 		buf.WriteByte(byte(clientAbridgedSmallPacketLength))
 		buf.Write(length24[:])

wrappers/packetack/client_intermediate_secure.go

@@ -1,6 +1,7 @@
 package packetack
 
 import (
+	"bytes"
 	"encoding/binary"
 	"fmt"
 	"math/rand"
@@ -34,10 +35,9 @@ func (w *wrapperClientIntermediateSecure) Write(packet conntypes.Packet, acks *c
 		return nil
 	}
 
-	buf := acquireClientBytesBuffer()
-	defer releaseClientBytesBuffer(buf)
-
+	buf := &bytes.Buffer{}
 	paddingLength := rand.Intn(4)
+
 	buf.Grow(4 + len(packet) + paddingLength)
 
 	binary.Write(buf, binary.LittleEndian, uint32(len(packet)+paddingLength)) // nolint: errcheck

wrappers/packetack/pools.go

@@ -1,23 +0,0 @@
-package packetack
-
-import (
-	"bytes"
-	"sync"
-)
-
-var (
-	poolClientBytesBuffer = sync.Pool{
-		New: func() interface{} {
-			return &bytes.Buffer{}
-		},
-	}
-)
-
-func acquireClientBytesBuffer() *bytes.Buffer {
-	return poolClientBytesBuffer.Get().(*bytes.Buffer)
-}
-
-func releaseClientBytesBuffer(buf *bytes.Buffer) {
-	buf.Reset()
-	poolClientBytesBuffer.Put(buf)
-}