[crankshaft] Remove HLoadGlobalGeneric and use HCallWithDescriptor instead to call LoadGlobalIC.

src/crankshaft/x64/lithium-x64.cc

Index: src/crankshaft/x64/lithium-x64.cc
diff --git a/src/crankshaft/x64/lithium-x64.cc b/src/crankshaft/x64/lithium-x64.cc
index 18fb5d4d09b42e03663b627e247c1e2bb913ca1d..c535a66ace38fb0340df01e74b6722091fb78f6f 100644
--- a/src/crankshaft/x64/lithium-x64.cc
+++ b/src/crankshaft/x64/lithium-x64.cc
@@ -1984,15 +1984,6 @@ LInstruction* LChunkBuilder::DoConstant(HConstant* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
-  LOperand* context = UseFixed(instr->context(), rsi);
-  LOperand* vector = FixedTemp(LoadWithVectorDescriptor::VectorRegister());
-
-  LLoadGlobalGeneric* result = new (zone()) LLoadGlobalGeneric(context, vector);
-  return MarkAsCall(DefineFixed(result, rax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) {
   LOperand* context = UseRegisterAtStart(instr->value());
   LInstruction* result =