[runtime] Kill %Arguments and %ArgumentsLength.

src/ppc/interface-descriptors-ppc.cc

Index: src/ppc/interface-descriptors-ppc.cc
diff --git a/src/ppc/interface-descriptors-ppc.cc b/src/ppc/interface-descriptors-ppc.cc
index 524edd71dd843f10baec0fa165dfd9b406223876..435e8a70746cc4ef3cc4c57f4161c07d20ff9a09 100644
--- a/src/ppc/interface-descriptors-ppc.cc
+++ b/src/ppc/interface-descriptors-ppc.cc
@@ -54,10 +54,6 @@ const Register StringCompareDescriptor::LeftRegister() { return r4; }
 const Register StringCompareDescriptor::RightRegister() { return r3; }
 
 
-const Register ArgumentsAccessReadDescriptor::index() { return r4; }
-const Register ArgumentsAccessReadDescriptor::parameter_count() { return r3; }
-
-
 const Register ArgumentsAccessNewDescriptor::function() { return r4; }
 const Register ArgumentsAccessNewDescriptor::parameter_count() { return r5; }
 const Register ArgumentsAccessNewDescriptor::parameter_pointer() { return r6; }