[stubs] Port CallICTrampolineStub to CodeStubAssembler.

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index 88810e93c6aa64570fb1b123d49d6eb5cfcadcce..f9cdc161f6d26dbb8c51ce2b9647fde12339405d 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -2862,12 +2862,6 @@ void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
   __ jmp(rcx);  // Return to IC Miss stub, continuation still on stack.
 }
 
-void CallICTrampolineStub::Generate(MacroAssembler* masm) {
-  __ EmitLoadTypeFeedbackVector(rbx);
-  CallICStub stub(isolate(), state());
-  __ jmp(stub.GetCode(), RelocInfo::CODE_TARGET);
-}
-
 
 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
   if (masm->isolate()->function_entry_hook() != NULL) {