Remove SIMD.js from V8.

src/full-codegen/ia32/full-codegen-ia32.cc

Index: src/full-codegen/ia32/full-codegen-ia32.cc
diff --git a/src/full-codegen/ia32/full-codegen-ia32.cc b/src/full-codegen/ia32/full-codegen-ia32.cc
index 8acf07b2e83432f86e702670e17f584fa2e9b7d0..cc8a05f2faf512639185469ee736a9f66356eb78 100644
--- a/src/full-codegen/ia32/full-codegen-ia32.cc
+++ b/src/full-codegen/ia32/full-codegen-ia32.cc
@@ -2542,16 +2542,6 @@ void FullCodeGenerator::EmitLiteralCompareTypeof(Expression* expr,
     __ test_b(FieldOperand(edx, Map::kBitFieldOffset),
               Immediate((1 << Map::kIsCallable) | (1 << Map::kIsUndetectable)));
     Split(zero, if_true, if_false, fall_through);
-// clang-format off
-#define SIMD128_TYPE(TYPE, Type, type, lane_count, lane_type)   \
-  } else if (String::Equals(check, factory->type##_string())) { \
-    __ JumpIfSmi(eax, if_false);                                \
-    __ cmp(FieldOperand(eax, HeapObject::kMapOffset),           \
-           isolate()->factory()->type##_map());                 \
-    Split(equal, if_true, if_false, fall_through);
-  SIMD128_TYPES(SIMD128_TYPE)
-#undef SIMD128_TYPE
-    // clang-format on
   } else {
     if (if_false != fall_through) __ jmp(if_false);
   }