remove-the-old-todo (#5445)

Signed-off-by: Shubham Singh <[email protected]>

Author: FirePheonix

common/crypto/random.go

@@ -31,7 +31,6 @@ const (
 func GetRandomBytes(len int) ([]byte, error) {
 	key := make([]byte, len)
 
-	// TODO: rand could fill less bytes then len
 	_, err := rand.Read(key)
 	if err != nil {
 		return nil, errors.Wrap(err, "error getting random bytes")