[stubs] A new approach to TF stubs

src/arm/interface-descriptors-arm.cc

Index: src/arm/interface-descriptors-arm.cc
diff --git a/src/arm/interface-descriptors-arm.cc b/src/arm/interface-descriptors-arm.cc
index fbc137ced917f3428bbb5bcc815d6f0c05c82693..7a97a9140000f00ac300b8baf78fb575a862e82c 100644
--- a/src/arm/interface-descriptors-arm.cc
+++ b/src/arm/interface-descriptors-arm.cc
@@ -416,27 +416,6 @@ void ApiAccessorDescriptor::InitializePlatformSpecific(
 }
 
 
-void MathRoundVariantCallFromUnoptimizedCodeDescriptor::
-    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      r1,  // math rounding function
-      r3,  // vector slot id
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void MathRoundVariantCallFromOptimizedCodeDescriptor::
-    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      r1,  // math rounding function
-      r3,  // vector slot id
-      r4,  // type vector
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {