DOCSP-20558 fix unexpected field post (#427)

* DOCSP-20558 fix unexpected field post

* Add post reference after include use

* Tweek shell reference

Author: Dave

source/includes/extracts-gle-methods-behavior.yaml

@@ -18,9 +18,6 @@ ref: db.getLastErrorObj-definition
 inherit:
   ref: _gle-method-definition
   file: extracts-gle-methods-behavior-base.yaml
-post: | 
-  The :method:`db.getLastErrorObj()` is a :binary:`~bin.mongosh`
-  wrapper around the :dbcommand:`getLastError` command.
 replacement:
   gle: ":method:`db.getLastErrorObj()`"
   returnobj: :ref:`document <getLastError-output>`
@@ -29,9 +26,6 @@ ref: db.getLastErrorObj-behavior
 inherit:
   ref: _gle-method-behavior
   file: extracts-gle-methods-behavior-base.yaml
-post: |
-  For information on the returned document, see :ref:`getLastError
-  command <getLastError-output>`.
 replacement:
   gle: ":method:`db.getLastErrorObj()`"
   returnobj: :ref:`document <getLastError-output>`

source/reference/method/db.getLastErrorObj.txt

@@ -67,6 +67,9 @@ Behavior
 
 .. include:: /includes/extracts/db.getLastErrorObj-behavior.rst
 
+The :method:`db.getLastErrorObj()` is a shell wrapper around the
+:dbcommand:`getLastError` command.
+
 Example
 -------