X87: Remove keyed_store_calling convention and friends

src/x87/ic-x87.cc

Index: src/x87/ic-x87.cc
diff --git a/src/x87/ic-x87.cc b/src/x87/ic-x87.cc
index badd007dca6cb23a906200c9f288ac9aed51a087..4328b3164084f234cce4acb43cfb60ac04b68b20 100644
--- a/src/x87/ic-x87.cc
+++ b/src/x87/ic-x87.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;
 }