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

src/crankshaft/arm64/lithium-arm64.cc

Index: src/crankshaft/arm64/lithium-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-arm64.cc b/src/crankshaft/arm64/lithium-arm64.cc
index 8a9ce4266dd3872cfe82f590ec4889f50c59818e..3508bd91b5b7bcfe12f46183a5817fa91fd646ef 100644
--- a/src/crankshaft/arm64/lithium-arm64.cc
+++ b/src/crankshaft/arm64/lithium-arm64.cc
@@ -1551,15 +1551,6 @@ LInstruction* LChunkBuilder::DoLoadFunctionPrototype(
 }
 
 
-LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
-  LOperand* context = UseFixed(instr->context(), cp);
-  LOperand* vector = FixedTemp(LoadWithVectorDescriptor::VectorRegister());
-
-  LLoadGlobalGeneric* result = new (zone()) LLoadGlobalGeneric(context, vector);
-  return MarkAsCall(DefineFixed(result, x0), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) {
   DCHECK(instr->key()->representation().IsSmiOrInteger32());
   ElementsKind elements_kind = instr->elements_kind();