remove import of app.xql (removed)

modules/view.xql

@@ -16,12 +16,6 @@ import module namespace nav="http://sade/tmpl-nav" at "tmpl-nav/tmpl-nav.xqm";
 import module namespace templates="http://exist-db.org/xquery/templates" ;
 import module namespace wiki="http://textgrid.de/ns/SADE/wiki" at "wiki/wiki.xqm";
 
-(:
- : The following modules provide functions which will be called by the
- : templating.
- :)
-import module namespace app="http://textgrid.de/ns/SADE/templates" at "app.xql";
-
 declare namespace output = "http://www.w3.org/2010/xslt-xquery-serialization";
 
 declare option output:method "html5";