Fix TokenWriter regarding sentence boundaries and remove simple TokenWriter

Change-Id: I38a276f87f1f457a765462dabb14a0511f9447a2
diff --git a/datok.go b/datok.go
index 7e5a36d..5bd54e9 100644
--- a/datok.go
+++ b/datok.go
@@ -746,7 +746,7 @@
 
 // Transduce input to ouutput
 func (dat *DaTokenizer) Transduce(r io.Reader, w io.Writer) bool {
-	return dat.TransduceTokenWriter(r, NewTokenWriter(w))
+	return dat.TransduceTokenWriter(r, NewTokenWriter(w, SIMPLE))
 }
 
 // TransduceTokenWriter transduces an input string against