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
diff --git a/templates/doc/navigation.json b/templates/doc/navigation.json
index d4f04e3..be939c1 100644
--- a/templates/doc/navigation.json
+++ b/templates/doc/navigation.json
@@ -20,18 +20,6 @@
           {
             "title": "Distance Operators",
             "id": "#distance-operators"
-          },
-          {
-            "title": "Annotation Operators",
-            "id": "#annotation-operators"
-          },
-          {
-            "title": "Combination Operators",
-            "id": "#combination-operators"
-          },
-          {
-            "title": "Area Operators",
-            "id": "#area-operators"
           }
         ]
       },
diff --git a/templates/doc/ql/cosmas-2.html.ep b/templates/doc/ql/cosmas-2.html.ep
index a0453c2..fa971c2 100644
--- a/templates/doc/ql/cosmas-2.html.ep
+++ b/templates/doc/ql/cosmas-2.html.ep
@@ -146,6 +146,7 @@
   
 </section>
 
+<!--
 <section id="annotation-operators">
   <h3>Annotation Operators</h3>
   %= under_construction
@@ -163,3 +164,4 @@
   %= under_construction
   %# LINKS, RECHTS, INKLUSIVE, EXKLUSIVE, BED
 </section>
+-->
\ No newline at end of file