[runtime] Remove the now unused %StoreArrayLiteralElement.

src/ppc/interface-descriptors-ppc.cc

Index: src/ppc/interface-descriptors-ppc.cc
diff --git a/src/ppc/interface-descriptors-ppc.cc b/src/ppc/interface-descriptors-ppc.cc
index b649f71ea35cc0c0921442c057d55eb21d773b13..ed6914afaa47f5360f21b00d129045a82800b7c5 100644
--- a/src/ppc/interface-descriptors-ppc.cc
+++ b/src/ppc/interface-descriptors-ppc.cc
@@ -165,13 +165,6 @@ void CreateWeakCellDescriptor::InitializePlatformSpecific(
 }
 
 
-void StoreArrayLiteralElementDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r6, r3};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void CallFunctionDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r4};