Improve documentation

Docs/Layers/note_import.md

@@ -12,24 +12,9 @@ Template for note note imports.
 
 
 
-## Table of contents
-
-1. [note_import](#note_import)
-      * [Themes using this layer](#themes-using-this-layer)
-  - [Basic tags for this layer](#basic-tags-for-this-layer)
-  - [Supported attributes](#supported-attributes)
-    + [conversation](#conversation)
-    + [Intro](#intro)
-    + [import](#import)
-    + [close_note_](#close_note_)
-    + [close_note_mapped](#close_note_mapped)
-    + [comment](#comment)
-    + [add_image](#add_image)
-
-
-
 
 
+  - This layer is shown at zoomlevel **10** and higher
   - <img src='../warning.svg' height='1rem'/> This layer is loaded from an external source, namely `https://api.openstreetmap.org/api/0.6/notes.json?closed=0&bbox={x_min},{y_min},{x_max},{y_max}`
   - This layer will automatically load  [public_bookcase](./public_bookcase.md)  into the layout as it depends on it:  a tagrendering needs this layer (import)
 
@@ -45,8 +30,6 @@ Template for note note imports.
   - [personal](https://mapcomplete.osm.be/personal)
 
 
-[Go to the source code](https://github.com/pietervdvn/MapComplete/blob/develop/assets/layers/note_import/note_import.json)
-
 
 
  Basic tags for this layer