Don't save newlinemode

On second thought, it is probably better to not save this. Advanced users can add this themselves and that way newer versions of the model can override it if redownloaded.

aiserver.py

@@ -2239,7 +2239,6 @@ def savesettings():
     js["userscripts"] = vars.userscripts
     js["corescript"]  = vars.corescript
     js["softprompt"]  = vars.spfilename
-    js["newlinemode"]  = vars.newlinemode
 
     # Write it
     if not os.path.exists('settings'):