Rename TrueCrypt as 'Opening TrueCrypt volumes using cryptsetup'

We don't ship TrueCrypt anymore and this was the only section left on this page.

wiki/src/doc/encryption_and_privacy.index.mdwn

   - [[!traillink Your_data_won't_be_saved_unless_explicitly_asked|encryption_and_privacy/your_data_wont_be_saved_unless_explicitly_asked]]
   - [[!traillink Using_the_virtual_keyboard|encryption_and_privacy/virtual_keyboard]]
   - [[!traillink Create_and_use_encrypted_volumes|encryption_and_privacy/encrypted_volumes]]
-  - [[!traillink TrueCrypt|encryption_and_privacy/truecrypt]]
+  - [[!traillink
+    Opening_<span_class="application">TrueCrypt</span>_volumes_using_<span_class="code">cryptsetup</span>|encryption_and_privacy/truecrypt]]
   - [[!traillink Encrypt,_decrypt,_sign,_and_verify_text_using_OpenPGP_and_<span_class="application">Tails_OpenPGP_Applet</span>|encryption_and_privacy/gpgapplet]]
     - [[!traillink Encrypt_text_with_a_passphrase|encryption_and_privacy/gpgapplet/passphrase_encryption]]
     - [[!traillink Encrypt_and_sign_text_using_public-key_cryptography|encryption_and_privacy/gpgapplet/public-key_cryptography]]

wiki/src/doc/encryption_and_privacy/truecrypt.mdwn

-[[!meta title="TrueCrypt"]]
-
-[[!toc]]
+[[!meta title="Opening TrueCrypt volumes using cryptsetup"]]
 
 On 28 May 2014, the [*TrueCrypt* website](http://truecrypt.sourceforge.net/) announced that the
 project was no longer maintained and recommended users to find
@@ -18,15 +16,7 @@ volumes.</p>
 
 </div>
 
-Still, you can open *TrueCrypt* volumes in Tails
-[[using `cryptsetup`|truecrypt#cryptsetup]].
-
-<a id="cryptsetup"></a>
-
-Opening *TrueCrypt* volumes using `cryptsetup`
-==============================================
-
-You can open standard and hidden *TrueCrypt* volumes using the `cryptsetup`
+Still, you can open standard and hidden *TrueCrypt* volumes in Tails using the `cryptsetup`
 command line tool.
 
 <div class="note">