snippets: nus-console: doc: Remove invalid device-tree requirements

These were copied-over from cdc-acm-console by mistake. It's not valid
for this snippet, therefore it's being removed.

Signed-off-by: Luis Ubieda <luisf@croxel.com>

snippets/nus-console/README.rst

@@ -24,14 +24,3 @@ Hardware support for:
 - :kconfig:option:`CONFIG_SERIAL`
 - :kconfig:option:`CONFIG_CONSOLE`
 - :kconfig:option:`CONFIG_UART_CONSOLE`
-
-A devicetree node with node label ``bt_nus_console_uart`` that points to an enabled
-device node with nus-uart support. This should look roughly like this in
-:ref:`your devicetree <get-devicetree-outputs>`:
-
-.. code-block:: DTS
-
-   bt_nus_console_uart: bt_nus_console_uart {
-      compatible = "zephyr,nus-uart";
-        /* ... */
-   };