[runtime] Remove the now unused %StoreArrayLiteralElement.

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index 485aa780e392309ad3f195839d1b245e74f40796..da0ce13bb43efe132d846eb4647675145033a185 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -185,13 +185,6 @@ void CreateWeakCellDescriptor::InitializePlatformSpecific(
 }
 
 
-void StoreArrayLiteralElementDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {x3, x0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void CallFunctionDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x1  function    the function to call