removed testing repo workaround

docs/admin/install.rst

@@ -87,18 +87,7 @@ Before installing SecureDrop Workstation, you must set up network and Tor access
 
   .. note:: If Tor connections are blocked on your network, you may need to configure Tor to use bridges in order to get a connection. For more information, see the `Anon Connection Wizard <https://www.whonix.org/wiki/Anon_Connection_Wizard>`_ documentation.
 
-- Open an administration terminal by selecting **Q > Terminal Emulator**, and enter the following command:
-
-  .. code-block:: sh
-
-   sudo qubes-dom0-update --enablerepo=qubes-dom0-current-testing
-
-  This will update ``dom0``, the administration VM, with some required fixes to properly update other VMs. When prompted, type **Y** to apply the updates.
-
-  .. note:: The step above is a temporary workaround for an Qubes OS issue, and should not be applied in a live production system.
-
-
-- Once the ``dom0`` update is complete, select **Q > System Tools > Qubes Update** to update other VMs. in the ``[Dom0] Qubes Updater`` window, first check ``Enable updates for qubes without known available updates``, then check all entries in the list above. Then, click **Next**. The system's VMs will be updated sequentially - this may take some time. When the updates are complete, click **Finish**.
+- Once Tor has connected, select **Q > System Tools > Qubes Update** to update the system VMs. in the ``[Dom0] Qubes Updater`` window, first check ``Enable updates for qubes without known available updates``, then check all entries in the list above. Then, click **Next**. The system's VMs will be updated sequentially - this may take some time. When the updates are complete, click **Finish**.
 
 
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