Drop obsolete dont_optimize compiler hint.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 78776008789821bd67c0741695848bde7162234d..c0110270aba4599b4489e1bc1239489ec7200d56 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7258,9 +7258,6 @@ class SharedFunctionInfo: public HeapObject {
   // Is this a function or top-level/eval code.
   DECL_BOOLEAN_ACCESSORS(is_function)
 
-  // Indicates that the function cannot be optimized.
-  DECL_BOOLEAN_ACCESSORS(dont_optimize)
-
   // Indicates that the function cannot be inlined.
   DECL_BOOLEAN_ACCESSORS(dont_inline)
 
@@ -7327,7 +7324,7 @@ class SharedFunctionInfo: public HeapObject {
 
   void set_dont_optimize_reason(BailoutReason reason) {
     set_bailout_reason(reason);
-    set_dont_optimize(reason != kNoReason);
+    set_dont_inline(reason != kNoReason);
   }
 
   // Check whether or not this function is inlineable.
@@ -7473,7 +7470,6 @@ class SharedFunctionInfo: public HeapObject {
     kIsAnonymous,
     kNameShouldPrintAsAnonymous,
     kIsFunction,
-    kDontOptimize,
     kDontInline,
     kDontCache,
     kDontFlush,