Remove ENABLE_INPUT_TYPE_WEEK compile-time flag.

Source/WebCore/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 125 matching lines @@
     // placeholderForfMonthField() returns localized placeholder text, e.g.
     // "mm", for month field used in multiple fields "date", "datetime", and
     // "datetime-local" input UI instead "--".
     String placeholderForMonthField();
 
     // placeholderForYearField() returns localized placeholder text, e.g.
     // "yyyy", for year field used in multiple fields "date", "datetime", and
     // "datetime-local" input UI instead "----".
     String placeholderForYearField();
 #endif
-#if ENABLE(INPUT_TYPE_WEEK)
     // weekFormatInLDML() returns week and year format in LDML, Unicode
     // technical standard 35, Locale Data Markup Language, e.g. "'Week' ww, yyyy"
     String weekFormatInLDML();
-#endif
 
     String missingPluginText();
     String crashedPluginText();
     String blockedPluginByContentSecurityPolicyText();
     String insecurePluginVersionText();
     String inactivePluginText();
 
     String multipleFileUploadText(unsigned numberOfFiles);
     String unknownFileSizeText();
 
@@ skipping 32 matching lines @@
 
 #if ENABLE(VIDEO_TRACK)
     String textTrackSubtitlesText();
     String textTrackOffText();
     String textTrackNoLabelText();
 #endif
 
 } // namespace WebCore
 
 #endif // LocalizedStrings_h