Back out the behavior change to magic words outside the Giant's Room.

There are twi reasons for this. One is to decompolicate verifying
the fix for issue $85: revisiting "fee fie foe foo" and "fum". The
other is because I'm now convinced that the test should notr be
"Are you in the Giant's Room" but :Have you read the grafitti there?

actions.c

@@ -228,13 +228,7 @@ static phase_codes_t bigwords(vocab_t id)
         }
     } else {
 fum:
-        if (game.loc == LOC_GIANTROOM || settings.oldstyle) {
-            rspeak(START_OVER);
-        } else {
-            /* This is new behavior in Open Adventure - sounds better when
-             * player isn't in the Giant Room. */
-            rspeak(NOTHING_HAPPENS);
-        }
+	rspeak(START_OVER);
         game.foobar = WORD_EMPTY;
         return GO_CLEAROBJ;
     }