Refs #11076. remove doc changes

Documentation/Report.rst

@@ -2185,35 +2185,6 @@ Line 6: A PDF download.
 
 Line 7: A disabled menu entry.
 
-.. _websocket:
-
-WebSocket
----------
-
-Sending messages via WebSocket and receiving the answer is done via: ::
-
-  SELECT 'w:ws://<host>:<port>/<path>|t:<message>' AS _websocket
-
-Instead of '... AS _websocket' it's also possible to use '... AS _link'.
-
-
-<dropdown menu symbol options>||<menu entry 1>||<menu entry 2>||...
-
-   10.sql = SELECT CONCAT('w:ws://example.com:8000/demo|t:{"action":"echo","data":"hello world',f.id,'"}') AS '_websocket'
-
-
-
-
-                , CONCAT('w:ws://webwork16.math.uzh.ch:8000/demo|t:{"action":"echo","data":"good morning',f.id,'"}') AS '_websocket|col2|_hide'
-                , CONCAT('w:ws://webwork16.math.uzh.ch:8000/demo|t:{"action":"echo","data":"good evening',f.id,'"}') AS '_websocket|col3|_hide'
-           FROM Form AS f
-           ORDER BY f.id
-           LIMIT 3
-                                                                                                     
-#20.sql = SELECT 'w:ws://webwork16.math.uzh.ch:8000/demo|t:{"action":"ping","data":"my ping"}' AS '_websocket|col1', 'Datetime: ', NOW()
-  
-10.20.sql = SELECT "<br><br>-{{&col1:R}} / {{&col2:R}} / {{&col3:R}}="  
-
 
 .. _drag_and_drop: