Revert of [inspector] move console to builtins

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 7b114d088b3e91c978ca7d04608156c735ed1764..51f3508937a8540264499db9614197df38c599b5 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -32,10 +32,6 @@
 
 namespace base {
 class RandomNumberGenerator;
-}
-
-namespace debug {
-class ConsoleDelegate;
 }
 
 namespace internal {
@@ -743,11 +739,6 @@
     Throw(*exception, location);
     return MaybeHandle<T>();
   }
-
-  void set_console_delegate(debug::ConsoleDelegate* delegate) {
-    console_delegate_ = delegate;
-  }
-  debug::ConsoleDelegate* console_delegate() { return console_delegate_; }
 
   // Re-throw an exception.  This involves no error reporting since error
   // reporting was handled when the exception was thrown originally.
@@ -1545,8 +1536,6 @@
 
   CancelableTaskManager* cancelable_task_manager_;
 
-  debug::ConsoleDelegate* console_delegate_ = nullptr;
-
   v8::Isolate::AbortOnUncaughtExceptionCallback
       abort_on_uncaught_exception_callback_;