Partially revert "Optimize function across closures."

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 911458c3cb68d47532640e8fac6e0d88034350c8..2440c642df38170722c3048620aee1a87ef8a88b 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6802,8 +6802,6 @@ class SharedFunctionInfo: public HeapObject {
   inline int ic_age();
   inline void set_ic_age(int age);
 
-  DECL_BOOLEAN_ACCESSORS(optimize_next_closure)
-
   // Indicates if this function can be lazy compiled.
   // This is used to determine if we can safely flush code from a function
   // when doing GC if we expect that the function will no longer be used.
@@ -7106,7 +7104,6 @@ class SharedFunctionInfo: public HeapObject {
   enum CompilerHints {
     kAllowLazyCompilation,
     kAllowLazyCompilationWithoutContext,
-    kOptimizeNextClosure,
     kOptimizationDisabled,
     kStrictModeFunction,
     kUsesArguments,