Cleanup unnecessary duplication of runtime functions.

src/runtime/runtime-regexp.cc

Index: src/runtime/runtime-regexp.cc
diff --git a/src/runtime/runtime-regexp.cc b/src/runtime/runtime-regexp.cc
index e742d64ca1d2e3f1b65c1be4c763bb5485bc89cd..1ad6a1d981ba9c1adfcd30a85cea7b922b83e7ed 100644
--- a/src/runtime/runtime-regexp.cc
+++ b/src/runtime/runtime-regexp.cc
@@ -784,7 +784,7 @@ RUNTIME_FUNCTION(Runtime_RegExpExec) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_RegExpConstructResultRT) {
+RUNTIME_FUNCTION(Runtime_RegExpConstructResult) {
   HandleScope handle_scope(isolate);
   DCHECK(args.length() == 3);
   CONVERT_SMI_ARG_CHECKED(size, 0);
@@ -805,12 +805,6 @@ RUNTIME_FUNCTION(Runtime_RegExpConstructResultRT) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_RegExpConstructResult) {
-  SealHandleScope shs(isolate);
-  return __RT_impl_Runtime_RegExpConstructResultRT(args, isolate);
-}
-
-
 static JSRegExp::Flags RegExpFlagsFromString(Handle<String> flags,
                                              bool* success) {
   uint32_t value = JSRegExp::NONE;