Remove Tails Installer instructions

wiki/src/upgrade/tails.mdwn

@@ -35,37 +35,6 @@ copied.</p>
 
 1. Plug the intermediary USB stick in the computer.
 
-1. Choose
-   <span class="menuchoice">
-     <span class="guimenu">Applications</span>&nbsp;▸
-     <span class="guisubmenu">Tails</span>&nbsp;▸
-     <span class="guimenuitem">Tails Installer</span>
-   </span>
-   to start <span class="application">Tails Installer</span>.
-
-   [[!img install/inc/screenshots/tails_installer_in_tails.png link="no" alt="Tails Installer: 'Install by cloning', 'Upgrade by cloning', 'Upgrade from ISO'"]]
-
-   <div class="step-image">[[!img install/inc/infography/install-upgrade-usb.png link="no" alt=""]]</div>
-
-1. Choose <span class="guilabel">Use a downloaded Tails ISO
-   image</span>.
-
-1. Use the <span class="guilabel">Target USB stick</span> drop-down list to
-   specify the intermediary USB stick.
-
-1. To start the installation, click on the <span class="button">Install Tails</span> button.
-
-1. Read the warning message in the confirmation dialog. Click
-   on <span class="button">Yes</span> to confirm.
-
-   The installation takes a few minutes.
-
-   <div class="bug">
-   <p>The progress bar usually freezes for some time around 95 percent
-   while synchronizing data on disk.</p>
-   </div>
-
-1. Close <span class="application">Tails Installer</span>.
 
 [[!inline pages="install/inc/steps/restart_first_time.inline" raw="yes" sort="age"]]