Remove UNALIGNED_ACCESSES.

src/globals.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 736 matching lines @@
   // ARM64
   ALWAYS_ALIGN_CSP,
   // PPC
   FPR_GPR_MOV,
   LWSYNC,
   ISELECT,
   // S390
   DISTINCT_OPS,
   GENERAL_INSTR_EXT,
   FLOATING_POINT_EXT,
-  // PPC/S390
-  UNALIGNED_ACCESSES,
 
   NUMBER_OF_CPU_FEATURES,
 
   // ARM feature aliases (based on the standard configurations above).
   VFP3 = ARMv7,
   NEON = ARMv7,
   VFP32DREGS = ARMv7,
   SUDIV = ARMv7_SUDIV
 };
 
@@ skipping 397 matching lines @@
  public:
   enum { kNone = 0x00, kSignedSmall = 0x01, kNumber = 0x3, kAny = 0x7 };
 };
 
 }  // namespace internal
 }  // namespace v8
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_