Revert "Initial shot at deoptimizing JSCallFunction in Turbofan."

src/compiler/linkage.h

Index: src/compiler/linkage.h
diff --git a/src/compiler/linkage.h b/src/compiler/linkage.h
index 7b19303fb04e51a3865f47404f94ff7d142e7715..310a87a9ca91f67eaab83ad7b8cbc331e0a62a9e 100644
--- a/src/compiler/linkage.h
+++ b/src/compiler/linkage.h
@@ -147,13 +147,8 @@ class Linkage : public ZoneObject {
       Operator::Property properties,
       CallDescriptor::DeoptimizationSupport can_deoptimize, Zone* zone);
 
-  CallDescriptor* GetStubCallDescriptor(
-      CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count = 0,
-      CallDescriptor::DeoptimizationSupport can_deoptimize =
-          CallDescriptor::kCannotDeoptimize);
-  static CallDescriptor* GetStubCallDescriptor(
-      CodeStubInterfaceDescriptor* descriptor, int stack_parameter_count,
-      CallDescriptor::DeoptimizationSupport can_deoptimize, Zone* zone);
+  CallDescriptor* GetStubCallDescriptor(CodeStubInterfaceDescriptor* descriptor,
+                                        int stack_parameter_count = 0);
 
   // Creates a call descriptor for simplified C calls that is appropriate
   // for the host platform. This simplified calling convention only supports