Remove SIMD.js from V8.

src/crankshaft/arm/lithium-codegen-arm.cc

Index: src/crankshaft/arm/lithium-codegen-arm.cc
diff --git a/src/crankshaft/arm/lithium-codegen-arm.cc b/src/crankshaft/arm/lithium-codegen-arm.cc
index 89d5e5d466a3e05410f7beeed9bcbb3d51ebc403..63e49c5874053da225749bd6358703eab375516a 100644
--- a/src/crankshaft/arm/lithium-codegen-arm.cc
+++ b/src/crankshaft/arm/lithium-codegen-arm.cc
@@ -2130,12 +2130,6 @@ void LCodeGen::DoBranch(LBranch* instr) {
         __ b(eq, instr->TrueLabel(chunk_));
       }
 
-      if (expected & ToBooleanHint::kSimdValue) {
-        // SIMD value -> true.
-        __ CompareInstanceType(map, ip, SIMD128_VALUE_TYPE);
-        __ b(eq, instr->TrueLabel(chunk_));
-      }
-
       if (expected & ToBooleanHint::kHeapNumber) {
         // heap number -> false iff +0, -0, or NaN.
         DwVfpRegister dbl_scratch = double_scratch0();
@@ -5136,17 +5130,6 @@ Condition LCodeGen::EmitTypeofIs(Label* true_label,
            Operand((1 << Map::kIsCallable) | (1 << Map::kIsUndetectable)));
     final_branch_condition = eq;
 
-// clang-format off
-#define SIMD128_TYPE(TYPE, Type, type, lane_count, lane_type)        \
-  } else if (String::Equals(type_name, factory->type##_string())) {  \
-    __ JumpIfSmi(input, false_label);                                \
-    __ ldr(scratch, FieldMemOperand(input, HeapObject::kMapOffset)); \
-    __ CompareRoot(scratch, Heap::k##Type##MapRootIndex);            \
-    final_branch_condition = eq;
-  SIMD128_TYPES(SIMD128_TYPE)
-#undef SIMD128_TYPE
-    // clang-format on
-
   } else {
     __ b(false_label);
   }