Clean up C2 Tutorial

Change-Id: I0ad4a56d97b74f9d281156fe61b4e16bd3743391
diff --git a/templates/de/doc/ql/cosmas-2.html.ep b/templates/de/doc/ql/cosmas-2.html.ep
index 794e4de..d7c54e7 100644
--- a/templates/de/doc/ql/cosmas-2.html.ep
+++ b/templates/de/doc/ql/cosmas-2.html.ep
@@ -218,7 +218,7 @@
     
 </section>
 
-
+<!--
 <section id="annotation-operators">
 <h3>Annotationsoperatoren</h3>
 %= under_construction
@@ -237,3 +237,4 @@
   %# LINKS, RECHTS, INKLUSIVE, EXKLUSIVE, BED
 </section>
 
+-->
\ No newline at end of file