Remove mentions of PHP 9.0

Author: alexandre-daubois

NEWS

@@ -8,8 +8,7 @@ PHP                                                                        NEWS
   . Fixed bug GH-19476 (pipe operator fails to correctly handle returning
     by reference). (alexandre-daubois)
   . The report_memleaks INI directive has been deprecated. (alexandre-daubois)
-  . Constant redeclaration is deprecated and this behavior will trigger an
-    error in PHP 9. (alexandre-daubois)
+  . Constant redeclaration has been deprecated. (alexandre-daubois)
   . Fixed OSS-Fuzz #439125710 (Pipe cannot be used in write context).
     (nielsdos)
 

UPGRADING

@@ -346,8 +346,7 @@ PHP 8.5 UPGRADE NOTES
     RFC: https://wiki.php.net/rfc/deprecations_php_8_5#deprecate_debuginfo_returning_null
   . The report_memleaks INI directive has been deprecated.
     RFC: https://wiki.php.net/rfc/deprecations_php_8_5#deprecate_the_report_memleaks_ini_directive
-  . Constant redeclaration is deprecated and that behavior will trigger an
-    error in PHP 9.
+  . Constant redeclaration has been deprecated.
     RFC: https://wiki.php.net/rfc/deprecations_php_8_5#deprecate_constant_redeclaration
 
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