remove device from docs wrt DragonRunPolicy

Author: ankona

doc/dragon.rst

@@ -68,25 +68,10 @@ For more information on HPC launchers, visit the :ref:`Run Settings<run_settings
 Hardware Pinning
 ================
 
-Dragon also enables users to specify hardware constraints using ``DragonRunSettings``. For 
-example, you may may configure the run settings to require that nodes executing the
-``Model`` support the `"gpu"` feature.
-
-.. code-block:: python
-
-    # Because "dragon" was specified as the launcher during Experiment initialization,
-    # create_run_settings will return a DragonRunSettings object
-    rs = exp.create_run_settings(exe="mpi_app",
-                                 exe_args=["--option", "value"],
-                                 env_vars={"MYVAR": "VALUE"})
-
-    # Specify that the nodes features must include a GPU
-    rs.set_feature("gpu")
-
-For more fine-grained control, CPU and GPU affinity can be specified using the
-``DragonRunSettings`` object. The following example demonstrates how to specify
-CPU affinity and GPU affinities simultaneously. Note that affinities are passed
-as a list of device indices.
+Dragon also enables users to specify hardware constraints using ``DragonRunSettings``. CPU
+and GPU affinity can be specified using the ``DragonRunSettings`` object. The following
+example demonstrates how to specify CPU affinity and GPU affinities simultaneously. Note
+that affinities are passed as a list of device indices.
 
 .. code-block:: python