Update setup.md

Clarified a step WRT SDCC.

Author: sjdkay

setup.md

@@ -11,7 +11,7 @@ In advance of the training session, please ensure that
 - Email [the EIC software conveners](mailto:[email protected]) with your GitHub account to be added
 1. You have singularity/apptainer or docker (on Mac) installed and working
 - `module load singularity` (on JLab iFarm)
-- Provided by default on (on BNL SDCC)
+- Provided by default on BNL SDCC, no need to do module load!
 - On your local system:
   - systems that use cvmfs or download images can install **singularity or apptainer** (see [here](https://apptainer.org/docs/user/main/quick_start.html))
   - systems that download images can install **docker** (see [here](https://www.docker.com/))