DOCSP-remove-duplicate-incorrect-wallTime-from-existing-content (#1220)

Co-authored-by: jason-price-mongodb <[email protected]>

Author: jason-price-mongodb

source/reference/change-events.txt

@@ -50,7 +50,6 @@ stream response document can have.
          ]
       },
       "collectionUUID": <uuid>,
-      "wallTime": <isodate>,
       "clusterTime" : <Timestamp>,
       "wallTime" : <ISODate>,  // Added in MongoDB 6.0
       "txnNumber" : <NumberLong>,
@@ -253,12 +252,6 @@ following table describes each field in the change stream response document:
 
        .. versionadded:: 6.0
 
-   * - ``wallTime``
-     - ISODate
-     - ISO date from the oplog entry associated with the event.
-
-       .. versionadded:: 6.0
-
    * - ``collectionUUID``
      - UUID
      - UUID identifying the collection.