Quiet on Colab

Makes the Colab mode also automatically activate the Quiet mode to improve privacy. We should no longer need this in the colab console thanks to the redo feature. Need something different for testing? Use --remote instead.

aiserver.py

@@ -496,6 +496,7 @@ if args.colab:
     args.override_rename = True;
     args.override_delete = True;
     args.nobreakmodel = True;
+    args.quiet = True;
 
 if args.nobreakmodel:
     vars.nobreakmodel = True;