Remove dead neonDrawLighting code

Source/wtf/CPU.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * 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
@@ skipping 125 matching lines @@
     || defined(__ARM_ARCH_7M__) \
     || defined(__ARM_ARCH_7R__) \
     || defined(__ARM_ARCH_7S__)
 #define WTF_THUMB_ARCH_VERSION 4
 
 #else
 #define WTF_THUMB_ARCH_VERSION 0
 #endif
 
 
-/* CPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or greater) */
 /* CPU(ARM_THUMB2) - Thumb2 instruction set is available */
-/* Only one of these will be defined. */
-#if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2)
+#if !defined(WTF_CPU_ARM_THUMB2)
 #  if defined(thumb2) || defined(__thumb2__) \
     || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)
-#    define WTF_CPU_ARM_TRADITIONAL 0
 #    define WTF_CPU_ARM_THUMB2 1
 #  elif WTF_ARM_ARCH_AT_LEAST(4)
-#    define WTF_CPU_ARM_TRADITIONAL 1
 #    define WTF_CPU_ARM_THUMB2 0
 #  else
-#    error "Not supported ARM architecture"
+#    error "Unsupported ARM architecture"
 #  endif
-#elif CPU(ARM_TRADITIONAL) && CPU(ARM_THUMB2) /* Sanity Check */
-#  error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 platforms"
-#endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */
+#endif /* !defined(WTF_CPU_ARM_THUMB2) */
 
 #if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON)
 #define WTF_CPU_ARM_NEON 1
 #endif
 
 #if CPU(ARM_NEON) && (!COMPILER(GCC) || GCC_VERSION_AT_LEAST(4, 7, 0))
 // All NEON intrinsics usage can be disabled by this macro.
 #define HAVE_ARM_NEON_INTRINSICS 1
 #endif
 
 #if defined(__ARM_ARCH_7S__)
 #define WTF_CPU_APPLE_ARMV7S 1
 #endif
 
 #if !defined(WTF_CPU_64BIT)
 #define WTF_CPU_32BIT 1
 #endif
 
 #endif /* ARM */
 
 /* CPU(ARM64) - AArch64 64-bit */
 #if defined(__aarch64__)
 #define WTF_CPU_ARM64 1
 #define WTF_CPU_64BIT 1
 #endif
 
 #endif /* WTF_CPU_h */