[regexp] Remove unused code

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 126bd63fc1177cfc8593be03a0a6b6f847f6cd7d..c53a43cccea0cfa041fbe5f0f2b3b7ab19deacc6 100644
--- a/src/ppc/interface-descriptors-ppc.cc
+++ b/src/ppc/interface-descriptors-ppc.cc
@@ -202,13 +202,6 @@ void ConstructTrampolineDescriptor::InitializePlatformSpecific(
 }
 
 
-void RegExpConstructResultDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r5, r4, r3};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void TransitionElementsKindDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r3, r4};