2 fixes related to turning on the auto-terminal user setting:

- turn off the user.misc PETSCII flag (too)
- don't copy the current autoterm flags into user.misc - this should no longer
  be necessary since the correct way to detect current terminal capabiilites
  is via calls to term_supports().

src/sbbs3/useredit.cpp

@@ -900,8 +900,7 @@ void sbbs_t::maindflts(user_t* user)
 			case 'T':
 				if(yesno(text[AutoTerminalQ])) {
 					user->misc|=AUTOTERM;
-					user->misc&=~(ANSI|RIP|WIP|HTML);
-					user->misc|=autoterm; 
+					user->misc&=~(ANSI|RIP|WIP|HTML|PETSCII);
 				}
 				else
 					user->misc&=~AUTOTERM;