Merge "Remove math from $wgDefaultUserOptions as Math isn't in core"

diff --combined includes/DefaultSettings.php
index ee67f75,02be473..2d344fd
--- 1/includes/DefaultSettings.php
--- 2/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@@ -2554,8 -2554,6 +2554,8 @@@ $wgGitInfoCacheDirectory = false
   * It should be appended in the query string of static CSS and JS includes,
   * to ensure that client-side caches do not keep obsolete copies of global
   * styles.
 + *
 + * @deprecated since 1.31
   */
  $wgStyleVersion = '303';
  
@@@ -4883,7 -4881,6 +4883,6 @@@ $wgDefaultUserOptions = 
        'hidepatrolled' => 0,
        'hidecategorization' => 1,
        'imagesize' => 2,
-       'math' => 1,
        'minordefault' => 0,
        'newpageshidepatrolled' => 0,
        'nickname' => '',