[stubs] Remove N-argument Hydrogen-based Array constructor stub

src/x64/interface-descriptors-x64.cc

Index: src/x64/interface-descriptors-x64.cc
diff --git a/src/x64/interface-descriptors-x64.cc b/src/x64/interface-descriptors-x64.cc
index ac0edaaa4961e3b1969f501f9e2fb5be219a2245..6b9c79dd06fdf76c694e9ee135204f356dcad604 100644
--- a/src/x64/interface-descriptors-x64.cc
+++ b/src/x64/interface-descriptors-x64.cc
@@ -266,19 +266,14 @@ void ArraySingleArgumentConstructorDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
-void ArrayConstructorDescriptor::InitializePlatformSpecific(
+void ArrayNArgumentsConstructorDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  // stack param count needs (constructor pointer, and single argument)
+  // register state
+  // rax -- number of arguments
+  // rdi -- function
+  // rbx -- allocation site with elements kind
   Register registers[] = {rdi, rbx, rax};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void InternalArrayConstructorDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  // stack param count needs (constructor pointer, and single argument)
-  Register registers[] = {rdi, rax};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
+  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
 void VarArgFunctionDescriptor::InitializePlatformSpecific(