Remove unsupported Blink CPUs from CPU.h

Source/wtf/StdLibExtras.h

 /*
  * Copyright (C) 2008 Apple Inc. 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 57 matching lines @@
 /*
  * The reinterpret_cast<Type1*>([pointer to Type2]) expressions - where
  * sizeof(Type1) > sizeof(Type2) - cause the following warning on ARM with GCC:
  * increases required alignment of target type.
  *
  * An implicit or an extra static_cast<void*> bypasses the warning.
  * For more info see the following bugzilla entries:
  * - https://bugs.webkit.org/show_bug.cgi?id=38045
  * - http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43976
  */
-#if (CPU(ARM) || CPU(MIPS)) && COMPILER(GCC)
+#if CPU(ARM) && COMPILER(GCC)
 template<typename Type>
 bool isPointerTypeAlignmentOkay(Type* ptr)
 {
     return !(reinterpret_cast<intptr_t>(ptr) % __alignof__(Type));
 }
 
 template<typename TypePtr>
 TypePtr reinterpret_cast_ptr(void* ptr)
 {
     ASSERT(isPointerTypeAlignmentOkay(reinterpret_cast<TypePtr>(ptr)));
@@ skipping 178 matching lines @@
 using WTF::MB;
 using WTF::isPointerAligned;
 using WTF::is8ByteAligned;
 using WTF::binarySearch;
 using WTF::tryBinarySearch;
 using WTF::approximateBinarySearch;
 using WTF::bitwise_cast;
 using WTF::safeCast;
 
 #endif // WTF_StdLibExtras_h