Merge "Update documentation in DefaultSettings to reflect new Preprocessor default"

diff --combined includes/DefaultSettings.php
index c5a2f77,c811e76..2075432
--- 1/includes/DefaultSettings.php
--- 2/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@@ -2737,6 -2737,14 +2737,6 @@@ $wgUseCdn = false
   */
  $wgUseESI = false;
  
 -/**
 - * Send the Key HTTP header for better caching.
 - * See https://datatracker.ietf.org/doc/draft-ietf-httpbis-key/ for details.
 - * @since 1.27
 - * @deprecated in 1.32, the IETF spec expired without becoming a standard.
 - */
 -$wgUseKeyHeader = false;
 -
  /**
   * Add X-Forwarded-Proto to the Vary and Key headers for API requests and
   * RSS/Atom feeds. Use this if you have an SSL termination setup
@@@ -4142,8 -4150,7 +4142,7 @@@ $wgInvalidRedirectTargets = [ 'Filepath
   *                    temporary storage. Preprocessor_DOM generally uses less memory;
   *                    the speed of the two is roughly the same.
   *
-  *                    If this parameter is not given, it uses Preprocessor_DOM if the
-  *                    DOM module is available, otherwise it uses Preprocessor_Hash.
+  *                    If this parameter is not given, it uses Preprocessor_Hash.
   *
   * The Preprocessor_DOM class is deprecated, and will be removed in a future
   * release.