Remove default endpoint from config file

Change-Id: I1bc5ac2b0972d149e217898d28111bf5c7a7e89d
diff --git a/kalamar.conf b/kalamar.conf
index 63dad82..bb2808f 100644
--- a/kalamar.conf
+++ b/kalamar.conf
@@ -29,12 +29,10 @@
 # - Piwik
 #     See Mojolicious::Plugin::Piwik
 
-# The default Kustvakt api endpoint
-my $api = 'https://korap.ids-mannheim.de/api/';
 {
   Kalamar => {
-    # Backend server path
-    api_path => $ENV{'KALAMAR_API'} // $api,
+    ## Backend server path
+    # api_path => 'https://korap.example.org/api/',
 
     ## Backend API version
     # api_version => '1.0',