Revert "number: match input example to be Dutch as in the output"

This reverts commit c2d28a6ddf6cb833e996ccb00cbb4206394958d2.

Reason for revert: This change was incorrect. The examples were supposed to demonstrate that the API can provide translations.

Change-Id: I247d5509136d34ce4c82a8ac2de50dad3f652a78
Reviewed-on: https://go-review.googlesource.com/c/text/+/316529
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Alberto Donizetti <alb.donizetti@gmail.com>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
Run-TryBot: Alberto Donizetti <alb.donizetti@gmail.com>
Trust: Cherry Mui <cherryyz@google.com>
diff --git a/number/doc.go b/number/doc.go
index 925383a..2ad8d43 100644
--- a/number/doc.go
+++ b/number/doc.go
@@ -19,7 +19,7 @@
 //
 //    p := message.NewPrinter(language.Dutch)
 //
-//    p.Printf("Er zijn %v fietsen per huishouden.", number.Decimal(1.2))
+//    p.Printf("There are %v bikes per household.", number.Decimal(1.2))
 //    // Prints: Er zijn 1,2 fietsen per huishouden.
 //
 //