Disable pipe rewriting by default.

To activate pipe rewriting, pipe.host property must be configured in
kustvakt.conf.

Change-Id: I2e99f334629cd75b86dd061120b6b21dd91d3984
diff --git a/src/main/resources/kustvakt.conf b/src/main/resources/kustvakt.conf
index 0d261dc..a0acde9 100644
--- a/src/main/resources/kustvakt.conf
+++ b/src/main/resources/kustvakt.conf
@@ -22,7 +22,7 @@
 server.host=localhost
 
 # Pipe (optional) 
-# pipe.host=https://korap.ids-mannheim.de (default)
+# pipe.host=https://korap.ids-mannheim.de
 
 # default foundries for specific layers
 default.foundry.partOfSpeech = tt