Remove (H|L)JSArrayLength instructions

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index 041aa3f0cddd8e0c10959065844a3b7425a48dcc..8f663f0ce6150791768b4e353493ce01327676e6 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -1918,13 +1918,6 @@ void LCodeGen::DoConstantT(LConstantT* instr) {
 }
 
 
-void LCodeGen::DoJSArrayLength(LJSArrayLength* instr) {
-  Register result = ToRegister(instr->result());
-  Register array = ToRegister(instr->value());
-  __ ldr(result, FieldMemOperand(array, JSArray::kLengthOffset));
-}
-
-
 void LCodeGen::DoFixedArrayBaseLength(LFixedArrayBaseLength* instr) {
   Register result = ToRegister(instr->result());
   Register array = ToRegister(instr->value());