Issues #20194,20195: Add missing :deprecated: markers to some module

docs.

Doc/library/formatter.rst

@@ -3,6 +3,7 @@
 
 .. module:: formatter
    :synopsis: Generic output formatter and device interface.
+   :deprecated:
 
 .. deprecated:: 3.4
    Due to lack of usage, the formatter module has been deprecated and is slated

Doc/library/imp.rst

 :mod:`imp` --- Access the :ref:`import <importsystem>` internals
 ================================================================
 
-.. deprecated:: 3.4
-   The :mod:`imp` package is pending deprecation in favor of :mod:`importlib`.
-
 .. module:: imp
    :synopsis: Access the implementation of the import statement.
+   :deprecated:
 
+.. deprecated:: 3.4
+   The :mod:`imp` package is pending deprecation in favor of :mod:`importlib`.
 
 .. index:: statement: import