[builtins] Sanitize the machinery around Construct calls.

src/globals.h

Index: src/globals.h
diff --git a/src/globals.h b/src/globals.h
index c3358870e5acc2193ac159b498a4ad1049fc6931..2b73cb04cf3073b6fd7a76c17a4c335a2f011784 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -599,19 +599,6 @@ enum InlineCacheState {
 };
 
 
-enum CallConstructorFlags {
-  NO_CALL_CONSTRUCTOR_FLAGS = 0,
-  // The call target is cached in the instruction stream.
-  RECORD_CONSTRUCTOR_TARGET = 1,
-  // TODO(bmeurer): Kill these SUPER_* modes and use the Construct builtin
-  // directly instead; also there's no point in collecting any "targets" for
-  // super constructor calls, since these are known when we optimize the
-  // constructor that contains the super call.
-  SUPER_CONSTRUCTOR_CALL = 1 << 1,
-  SUPER_CALL_RECORD_TARGET = SUPER_CONSTRUCTOR_CALL | RECORD_CONSTRUCTOR_TARGET
-};
-
-
 enum CacheHolderFlag {
   kCacheOnPrototype,
   kCacheOnPrototypeReceiverIsDictionary,