Remove keyed_store_calling convention and friends

src/ia32/ic-ia32.cc

Index: src/ia32/ic-ia32.cc
diff --git a/src/ia32/ic-ia32.cc b/src/ia32/ic-ia32.cc
index f35475ac362328041413dfcf020815f848bb50a5..3873613426572a32dbb5dd09badf310f6937cdad 100644
--- a/src/ia32/ic-ia32.cc
+++ b/src/ia32/ic-ia32.cc
@@ -990,21 +990,6 @@ const Register StoreIC::NameRegister() { return ecx; }
 const Register StoreIC::ValueRegister() { return eax; }
 
 
-const Register KeyedStoreIC::ReceiverRegister() {
-  return StoreIC::ReceiverRegister();
-}
-
-
-const Register KeyedStoreIC::NameRegister() {
-  return StoreIC::NameRegister();
-}
-
-
-const Register KeyedStoreIC::ValueRegister() {
-  return StoreIC::ValueRegister();
-}
-
-
 const Register KeyedStoreIC::MapRegister() {
   return ebx;
 }