ad4052-ardz: Remove TODO comment

The no-OS page now exists.

Author: gastmaier

docs/solutions/reference-designs/ad4052-ardz/index.rst

@@ -167,11 +167,11 @@ The source code for baremetal projects can be found at:
    * - NUCLEO-H503RB
      - no-OS
      - :git-no-OS:`ad405x:projects/ad405x`
-     - TODO ``:external+no-OS:doc:`docs <projects/ad405x>```
+     - :external+no-OS:doc:`docs <projects/ad405x>
    * - NUCLEO-H563ZI
      - no-OS
      - :git-no-OS:`ad405x:projects/ad405x`
-     - TODO ``:external+no-OS:doc:`docs <projects/ad405x>```
+     - :external+no-OS:doc:`docs <projects/ad405x>
    * - SDP-K1
      - precision-converters-firmware
      - :git-precision-converters-firmware:`projects/ad405x_iio`