[runtime] Remove two obsolete intrinsics.

src/compiler/js-intrinsic-lowering.cc

Index: src/compiler/js-intrinsic-lowering.cc
diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
index 7cf61a18aa67d7a10d79fe46a0d41253fb28f3b5..739ba91d6fb7b3e97e92d9eebd015a5a256488a1 100644
--- a/src/compiler/js-intrinsic-lowering.cc
+++ b/src/compiler/js-intrinsic-lowering.cc
@@ -45,8 +45,6 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
       return ReduceDoubleHi(node);
     case Runtime::kInlineDoubleLo:
       return ReduceDoubleLo(node);
-    case Runtime::kInlineHeapObjectGetMap:
-      return ReduceHeapObjectGetMap(node);
     case Runtime::kInlineIncrementStatsCounter:
       return ReduceIncrementStatsCounter(node);
     case Runtime::kInlineIsArray:
@@ -65,8 +63,6 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
       return ReduceIsSmi(node);
     case Runtime::kInlineJSValueGetValue:
       return ReduceJSValueGetValue(node);
-    case Runtime::kInlineMapGetInstanceType:
-      return ReduceMapGetInstanceType(node);
     case Runtime::kInlineMathClz32:
       return ReduceMathClz32(node);
     case Runtime::kInlineMathFloor:
@@ -179,15 +175,6 @@ Reduction JSIntrinsicLowering::ReduceDoubleLo(Node* node) {
 }
 
 
-Reduction JSIntrinsicLowering::ReduceHeapObjectGetMap(Node* node) {
-  Node* value = NodeProperties::GetValueInput(node, 0);
-  Node* effect = NodeProperties::GetEffectInput(node);
-  Node* control = NodeProperties::GetControlInput(node);
-  return Change(node, simplified()->LoadField(AccessBuilder::ForMap()), value,
-                effect, control);
-}
-
-
 Reduction JSIntrinsicLowering::ReduceIncrementStatsCounter(Node* node) {
   if (!FLAG_native_code_counters) return ChangeToUndefined(node);
   HeapObjectMatcher m(NodeProperties::GetValueInput(node, 0));
@@ -310,16 +297,6 @@ Reduction JSIntrinsicLowering::ReduceJSValueGetValue(Node* node) {
 }
 
 
-Reduction JSIntrinsicLowering::ReduceMapGetInstanceType(Node* node) {
-  Node* value = NodeProperties::GetValueInput(node, 0);
-  Node* effect = NodeProperties::GetEffectInput(node);
-  Node* control = NodeProperties::GetControlInput(node);
-  return Change(node,
-                simplified()->LoadField(AccessBuilder::ForMapInstanceType()),
-                value, effect, control);
-}
-
-
 Reduction JSIntrinsicLowering::ReduceMathClz32(Node* node) {
   return Change(node, machine()->Word32Clz());
 }