GPU job examples not yet updated wrt. isolated SLURM instances and taurus shutdown

This part reads like we are still running Taurus :-/

https://doc.zih.tu-dresden.de/jobs_and_resources/slurm_examples/#requesting-gpus

"Slurm will allocate one or many GPUs for your job if requested. Please note that GPUs are only available in certain partitions, like gpu2, gpu3 or gpu2-interactive"

"... K80 nodes ..."

etc.