Don't refer to the old 'New Identity' feature of Tails anymore

This was removed so long ago that probably nobody wonders about it
anymore.

wiki/src/support/faq.mdwn

@@ -658,27 +658,22 @@ corresponding [[design documentation|contribute/design/memory_erasure]].
 Where is the <span class="guilabel">New Identity</span> button?
 ---------------------------------------------------------------
 
-In our [[warning page|doc/about/warning#identities]] we advice to
-restart Tails every time that you want to use a different contextual
-identity.
+There is no <span class="guilabel">New Identity</span> button for Tails as a
+whole.
 
-The
-[[<span class="guilabel">New Identity</span> feature of <span class="application">Tor Browser</span>|doc/anonymous_internet/Tor_Browser#new_identity]]
+The [[<span class="guilabel">New Identity</span> feature of
+<span class="application">Tor Browser</span>|doc/anonymous_internet/Tor_Browser#new_identity]]
 is limited to the browser.
 
-Tails used to provide a <span class="guilabel">New Identity</span>
-feature, but this feature was not a good solution to
-[[separate contextual identities|doc/about/warning#identities]], as it
-was dangerous:
+In the same way as the <span class="guilabel">New Identity</span> button of
+<span class="application">Tor Browser</span> restarts the browser, you have to
+restart Tails before using a different identity.
 
-* Already existing connections could stay open.
-* Other sources of information could reveal your past activities, for
-  example the cookies stored in <span class="application">Tor
-  Browser</span> or the random nick in <span
-  class="application">Pidgin</span>.
+<div class="next">
+
+<p>See also our [[warning about contextual identities|doc/about/warning#identities]].</p>
 
-Tails is a full operating system, so a *new identity* should be thought on a
-broader level. **Restart Tails instead**.
+</div>
 
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