[stubs] Port CallICTrampolineStub to CodeStubAssembler.

src/s390/code-stubs-s390.cc

Index: src/s390/code-stubs-s390.cc
diff --git a/src/s390/code-stubs-s390.cc b/src/s390/code-stubs-s390.cc
index c94c2864bc8042b0a7fa66398af06a8ce313c3ca..18281d1c87cdcbcca0e97c120ac658f803795618 100644
--- a/src/s390/code-stubs-s390.cc
+++ b/src/s390/code-stubs-s390.cc
@@ -3023,12 +3023,6 @@ void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
   __ Ret();
 }
 
-void CallICTrampolineStub::Generate(MacroAssembler* masm) {
-  __ EmitLoadTypeFeedbackVector(r4);
-  CallICStub stub(isolate(), state());
-  __ Jump(stub.GetCode(), RelocInfo::CODE_TARGET);
-}
-
 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
   if (masm->isolate()->function_entry_hook() != NULL) {
     PredictableCodeSizeScope predictable(masm,