Remove some orphaned USE macros.

Source/core/platform/LocalizedStrings.h

 /*
  * Copyright (C) 2003, 2006, 2009, 2011, 2012, 2013 Apple Inc.  All rights reserved.
  * Copyright (C) 2010 Igalia S.L
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 163 matching lines @@
     String validationMessageTypeMismatchForURLText();
     String validationMessagePatternMismatchText();
     String validationMessageTooLongText(int valueLength, int maxLength);
     String validationMessageRangeUnderflowText(const String& minimum);
     String validationMessageRangeOverflowText(const String& maximum);
     String validationMessageStepMismatchText(const String& base, const String& step);
     String validationMessageBadInputForNumberText();
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
     String validationMessageBadInputForDateTimeText();
 #endif
-#if USE(SOUP)
-    String unacceptableTLSCertificate();
-#endif
 
     String clickToExitFullScreenText();
 
     String textTrackSubtitlesText();
     String textTrackOffText();
     String textTrackNoLabelText();
 
 } // namespace WebCore
 
 #endif // LocalizedStrings_h