Search for deprecated code in plugins/templates

clientismobile() (ismobile key in pageinfo) - replaced by using media queries (clientismobile())
mail_send() - replaced by Mailer:: class (mail_send(), Mailer)
DOKU_UHC - replaced by JSINFO key (DOKU_UHC, JSINFO)
DOKU_UHN - replaced by JSINFO key (DOKU_UHN, JSINFO)
css_styleini() - replaced by StyleUtils class e.g. PR for dw2pdf (css_styleini(), StyleUtils)
startSectionEdit() - changed a variable (startSectionEdit())
TEMPLATE_PAGETOOLS_DISPLAY - replaced by MENU_ITEMS_ASSEMBLY event (menus)
ZipLib and Tar - replaced by \splitbrain\PHPArchive\Zip and \splitbrain\PHPArchive\Tar class (Tar, Zip)
style.local.ini - replaced by conf/tpl/<tpl>/style.ini (style.ini)
$conf['auth'] - old auth backend config replaced by Auth plugins with corresponding config
getRevisionInfo() - replaced by ChangeLog::getRevisionInfo() (getRevisionInfo())
getRevisions() - replaced by ChangeLog::getRevisions() (getRevisions())