[stubs] Rip out obsolete CallICState.

src/ic/ic-state.cc

Index: src/ic/ic-state.cc
diff --git a/src/ic/ic-state.cc b/src/ic/ic-state.cc
index 7439ecd2c0610c31f4c29b6c2fcfb19cc9507b9d..f763336c2f45a03767fe189989b8728680e62739 100644
--- a/src/ic/ic-state.cc
+++ b/src/ic/ic-state.cc
@@ -16,11 +16,6 @@ void ICUtility::Clear(Isolate* isolate, Address address,
 }
 
 
-std::ostream& operator<<(std::ostream& os, const CallICState& s) {
-  return os << "(" << s.convert_mode() << ", " << s.tail_call_mode() << ")";
-}
-
-
 // static
 STATIC_CONST_MEMBER_DEFINITION const int BinaryOpICState::FIRST_TOKEN;