Revert "DOCSP-48166: Add async examples for Data Formats pages (#213)"

This reverts commit 3879f64.

Author: mcmorisi

source/data-formats/bson.txt

@@ -107,10 +107,10 @@ The following example reads the sample BSON document from ``file.bson``:
    .. input::
       :language: python
 
-      with open("file.bson", "rb") as file:
-          data = file.read()
-          document = bson.decode(data)
-          print(document)
+         with open("file.bson", "rb") as file:
+             data = file.read()
+             document = bson.decode(data)
+             print(document)
 
    .. output::
       :visible: false
@@ -140,53 +140,25 @@ constructor to ``RawBSONDocument``.
    first convert it to a {+language+} dictionary.
 
 The following example configures a ``MongoClient`` object to use ``RawBSONDocument`` objects
-to model the collection, then retrieves the sample document from the preceding examples.
-Select the :guilabel:`Synchronous` or :guilabel:`Asynchronous` tab to see the corresponding
-code.
+to model the collection, then retrieves the sample document from the preceding examples:
 
-.. tabs::
-   
-   .. tab:: Synchronous
-      :tabid: sync
-
-      .. io-code-block::
-         :copyable: true
-
-         .. input::
-            :language: python
-            
-            from bson.raw_bson import RawBSONDocument
-
-            client = pymongo.MongoClient("<connection URI>", document_class=RawBSONDocument)
-            collection = client.sample_restaurants.restaurants
-            raw_doc = collection.find_one({"name": "Mongo's Pizza"})
-            print(type(raw_doc))
-
-         .. output::
-            :visible: false
-
-            <class 'bson.raw_bson.RawBSONDocument'>
-
-   .. tab:: Asynchronous
-      :tabid: async
-
-      .. io-code-block::
-         :copyable: true
+.. io-code-block::
+   :copyable: true
 
-         .. input::
-            :language: python
-            
-            from bson.raw_bson import RawBSONDocument
+   .. input::
+      :language: python
+      
+      from bson.raw_bson import RawBSONDocument
 
-            client = pymongo.AsyncMongoClient("<connection URI>", document_class=RawBSONDocument)
-            collection = client.sample_restaurants.restaurants
-            raw_doc = await collection.find_one({"name": "Mongo's Pizza"})
-            print(type(raw_doc))
+      client = pymongo.MongoClient("<connection URI>", document_class=RawBSONDocument)
+      collection = client.sample_restaurants.restaurants
+      raw_doc = collection.find_one({"name": "Mongo's Pizza"})
+      print(type(raw_doc))
 
-         .. output::
-            :visible: false
+   .. output::
+      :visible: false
 
-            <class 'bson.raw_bson.RawBSONDocument'>
+      <class 'bson.raw_bson.RawBSONDocument'>
 
 API Documentation
 -----------------