[stubs] Port FastNewObjectStub to TF

src/mips64/interface-descriptors-mips64.cc

Index: src/mips64/interface-descriptors-mips64.cc
diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index c6a917f5d46466b80e09151e0cd01aea33f8c28f..1d2cee3888e65020feeeadf74f24a483f7b80ae4 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -68,12 +68,6 @@ void FastNewClosureDescriptor::InitializePlatformSpecific(
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
-void FastNewObjectDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {a1, a3};
-  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
-}
-
 void FastNewRestParameterDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {a1};