Remove unused PrettyPageHandler::showBranding
Remove unused PrettyPageHandler::showBranding

stefen/whoops,Vmak11/whoops,oligriffiths/whoops,emilkje/whoops,emilkje/whoops,oligriffiths/whoops,michabbb-backup/whoops,filp/whoops,michabbb-backup/whoops,Vmak11/whoops,UnderDogg/whoops,filp/whoops,nonconforme/whoops,nonconforme/whoops,stefen/whoops,UnderDogg/whoops,staabm/whoops,staabm/whoops