Update htdocs/pages/howtos/disable-recently-contacted-address-book.md,...

Update htdocs/pages/howtos/disable-recently-contacted-address-book.md, htdocs/_i18n/en/pages/howtos/disable-recently-contacted-address-book.md, htdocs/images/howtos/disable-recently-contacted-address-book/account-section.png, htdocs/images/howtos/disable-recently-contacted-address-book/recently-contacted-toggle.png, htdocs/images/howtos/disable-recently-contacted-address-book/501-error.png, htdocs/images/howtos/disable-recently-contacted-address-book/system-settings.png, htdocs/images/howtos/disable-recently-contacted-address-book/bliss-launcher.png