[turbofan] Remove fallback to TurboFan when Crankshaft bails out.

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 150e15101264a3e11c86853861413674cd24713f..1261eacda52e5c74e1ff2c35743cb448aa436e36 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -438,27 +438,6 @@ class CompilationInfo final {
 
   SourcePositionTableBuilder::RecordingMode SourcePositionRecordingMode() const;
 
- protected:
-  ParseInfo* parse_info_;
-
-  void DisableFutureOptimization() {
-    if (GetFlag(kDisableFutureOptimization) && has_shared_info()) {
-      // If Crankshaft tried to optimize this function, bailed out, and
-      // doesn't want to try again, then use TurboFan next time.
-      if (!shared_info()->dont_crankshaft() &&
-          bailout_reason() != kOptimizedTooManyTimes) {
-        shared_info()->set_dont_crankshaft(true);
-        if (FLAG_trace_opt) {
-          PrintF("[disabled Crankshaft for ");
-          shared_info()->ShortPrint();
-          PrintF(", reason: %s]\n", GetBailoutReason(bailout_reason()));
-        }
-      } else {
-        shared_info()->DisableOptimization(bailout_reason());
-      }
-    }
-  }
-
  private:
   // Compilation mode.
   // BASE is generated by the full codegen, optionally prepared for bailouts.
@@ -473,6 +452,7 @@ class CompilationInfo final {
                   Code::Flags code_flags, Mode mode, Isolate* isolate,
                   Zone* zone);
 
+  ParseInfo* parse_info_;
   Isolate* isolate_;
 
   void SetMode(Mode mode) {