Remove outdated mention of deprecated functions in the string module - they have…

Remove outdated mention of deprecated functions in the string module - they have been removed in 3.x.

Doc/library/string.rst

@@ -7,13 +7,13 @@
 
 .. index:: module: re
 
-The :mod:`string` module contains a number of useful constants and classes, as
-well as some deprecated legacy functions that are also available as methods on
-strings. In addition, Python's built-in string classes support the sequence type
-methods described in the :ref:`typesseq` section, and also the string-specific
-methods described in the :ref:`string-methods` section. To output formatted
-strings, see the :ref:`string-formatting` section. Also, see the :mod:`re`
-module for string functions based on regular expressions.
+The :mod:`string` module contains a number of useful constants and classes
+for string formatting.  In addition, Python's built-in string classes
+support the sequence type methods described in the :ref:`typesseq`
+section, and also the string-specific methods described in the
+:ref:`string-methods` section.  To output formatted strings, see the
+:ref:`string-formatting` section.  Also, see the :mod:`re` module for
+string functions based on regular expressions.
 
 
 String constants