release notes: remove mention of pg_basebackup non-compat

Report by Amit Kapila

Author: bmomjian

doc/src/sgml/release-9.5.sgml

@@ -1464,11 +1464,6 @@
        to handle file paths of 100+ characters in length and sybolic
        links on <systemitem class="osname">MS Windows</> (Amit Kapila)
       </para>
-
-      <para>
-       This change prevents <application>pg_basebackup</> from backing
-       up pre-9.5 servers.
-      </para>
      </listitem>
 
     </itemizedlist>