v12: Hide low atm res options #782
Description
One issue with gcm_setup at the moment is that it presents c12, c24, and c48 in the same way that c90+ are. But, as @amolod has often rightly stated, these resolutions should not be used in any scientific manner. They are mainly for debugging/development not science.
So, my proposal is that for the csh gcm_setup we can just "hide" them from the resolution printout we do in gcm_setup.
But in the Python gcm_setup of @sshakoor1 we can be more clever (possibly). For example, if someone does gcm_setup.py bare, the Questionary should only allow c90+. But we could do ./gcm_setup --devel say to allow a user to choose low resolutions.
I'd also like a way to trigger that via environment variable for the SI Team since we use those by default and having to remember that flag every time could be crazy-inducing.