slurm: remove gpu from example job

rm/slurm/jobs.rst

@@ -38,23 +38,29 @@ Example ``job_with_resources.job``
 
 .. code-block:: bash
 
-
    #!/bin/bash
    #SBATCH --job-name myjob
-   #SBATCH --partition gpu
    #SBATCH --time 24:0:0
    #SBATCH --cpus-per-task 2
    #SBATCH --mem 32GB
-   #SBATCH --gres gpu:1
    #SBATCH --mail-type NONE
    #SBATCH --workdir .
 
    ./run_simulation.py
 
 
-This would create a job called "myjob" in the GPU partiton, that needs 24 hours
-of running time, 32GB of RAM, a single GPU of any type, and 2 processors. It
-will not send any e-mails and start in the current directory.
+This would create a job called "myjob" in the default partiton, that needs 24
+hours of running time, 32GB of RAM, and 2 processors. It will not send any
+e-mails and start in the current directory.
+
+Additionally, adding the following two lines would request a job in the **GPU** partition, requesting a single gpu of any kind.
+
+.. code-block:: bash
+
+   ...
+   #SBATCH --gres gpu:1
+   #SBATCH --partition gpu
+   ...
 
 Interactive Jobs
 ++++++++++++++++