Actually revert "Add Call method to the Object class in the API"

src/execution.h

Index: src/execution.h
diff --git a/src/execution.h b/src/execution.h
index e89d6ba3971cbae35118c1b4c4dd4ea9b2ba1660..d4b80d274e24d34b96f1c9cee1caa9bc66b6da8a 100644
--- a/src/execution.h
+++ b/src/execution.h
@@ -138,8 +138,6 @@ class Execution : public AllStatic {
   // Get a function delegate (or undefined) for the given non-function
   // object. Used for support calling objects as functions.
   static Handle<Object> GetFunctionDelegate(Handle<Object> object);
-  static Handle<Object> TryGetFunctionDelegate(Handle<Object> object,
-                                               bool* has_pending_exception);
 
   // Get a function delegate (or undefined) for the given non-function
   // object. Used for support calling objects as constructors.