Query-bar page cleanup (#127)

Author: jeff-allen-mongo

source/query-bar.txt

@@ -114,23 +114,6 @@ shell mode representation of the MongoDB Extended JSON `BSON data types
    <https://en.wikipedia.org/wiki/Lexicographical_order>`_,
    instead of comparing the values chronologically.
 
-Filter by ObjectID
-``````````````````
-
-To specify an `ObjectID <https://docs.mongodb.com/manual/reference/method/ObjectId/>`_ in your filter,
-use the format ``ObjectId('<id>')``, as in the following filter example:
-
-.. code-block:: javascript
-
-   { "_id": ObjectId('59a87101f17fcbfbc9cd4374') }
-
-Query Bar Autocompletion
-````````````````````````
-
-The query bar autocompletes the current query based on the keys in
-your collection’s documents, including keys in embedded
-subdocuments.
-
 .. _query-bar-project:
 
 Project