You can also turn it off for an individual data step, eg:
data work.test1 /nonote2err;
set sashelp.class;
run;
If you're interested in more strict options (although it sounds like you aren't!) you can try this macro: https://core.sasjs.io/mp__init_8sas.html
/Allan
MacroCore library for app developers
Data Workflows, Data Contracts, Data Lineage, Drag & drop excel EUCs to SAS 9 & Viya - Data Controller
DevOps and AppDev on SAS 9 / Viya / Base SAS - SASjs