Removed versionadded/changed annotations for 2.0.

docs/ref/contrib/postgres/aggregates.txt

@@ -28,8 +28,6 @@ General-purpose aggregation functions
 
     .. attribute:: distinct
 
-        .. versionadded:: 2.0
-
         An optional boolean argument that determines if array values
         will be distinct. Defaults to ``False``.
 

docs/ref/contrib/postgres/functions.txt

@@ -12,8 +12,6 @@ All of these functions are available from the
 
 .. class:: RandomUUID()
 
-.. versionadded:: 2.0
-
 Returns a version 4 UUID.
 
 The `pgcrypto extension`_ must be installed. You can use the

docs/ref/contrib/postgres/indexes.txt

@@ -43,17 +43,11 @@ available from the ``django.contrib.postgres.indexes`` module.
     .. _GIN Fast Update Technique: https://www.postgresql.org/docs/current/static/gin-implementation.html#GIN-FAST-UPDATE
     .. _gin_pending_list_limit: https://www.postgresql.org/docs/current/static/runtime-config-client.html#GUC-GIN-PENDING-LIST-LIMIT
 
-    .. versionchanged:: 2.0
-
-        The ``fastupdate`` and ``gin_pending_list_limit`` parameters were added.
-
 ``GistIndex``
 =============
 
 .. class:: GistIndex(buffering=None, fillfactor=None, **options)
 
-    .. versionadded:: 2.0
-
     Creates a `GiST index
     <https://www.postgresql.org/docs/current/static/gist.html>`_. These indexes
     are automatically created on spatial fields with :attr:`spatial_index=True

docs/ref/contrib/postgres/operations.txt

@@ -61,8 +61,6 @@ run the query ``CREATE EXTENSION IF NOT EXISTS hstore;``.
 
 .. class:: BtreeGistExtension()
 
-    .. versionadded:: 2.0
-
     Install the ``btree_gist`` extension.
 
 ``CITextExtension``
@@ -77,8 +75,6 @@ run the query ``CREATE EXTENSION IF NOT EXISTS hstore;``.
 
 .. class:: CryptoExtension()
 
-    .. versionadded:: 2.0
-
     Installs the ``pgcrypto`` extension.
 
 ``HStoreExtension``