Revert "Document that Python 2.3 requires cdecimal module for full functionality."

This reverts commit a8ee81822e43120e1b31949b07af1adadcbeffc1.
The change requiring cdecimal is new in 9.4 (see 7919398bac),
so we should not claim previous branches need it.

diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index b2160389453dbd8e636858c07116ec440ed35e80..a6e5ddad98e4f27edabb9189f5452c77627a41f9 100644 (file)
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -205,12 +205,8 @@ su - postgres
       language, you need a <productname>Python</productname>
       installation with the header files and
       the <application>distutils</application> module.  The minimum
-      required version is <productname>Python</productname> 2.3.
-      For full functionality, a 2.3.x installation must include the
-      separately-available <filename>cdecimal</> module; in particular
-      the <application>PL/Python</> regression tests will not pass if that
-      is missing.
-      <productname>Python 3</productname> is supported if it's
+      required version is <productname>Python</productname>
+      2.3.  <productname>Python 3</productname> is supported if it's
       version 3.1 or later; but see
       <![%standalone-include[the <application>PL/Python</> documentation]]>
       <![%standalone-ignore[<xref linkend="plpython-python23">]]>