[regexp] Remove remainder of native RegExpExecStub

src/arm64/simulator-arm64.cc

Index: src/arm64/simulator-arm64.cc
diff --git a/src/arm64/simulator-arm64.cc b/src/arm64/simulator-arm64.cc
index b536fd5e9ce8271854c6c8212f12be744519da92..c8a26e44fda04e1126f4bbe7e1667a671661b6b2 100644
--- a/src/arm64/simulator-arm64.cc
+++ b/src/arm64/simulator-arm64.cc
@@ -208,7 +208,6 @@ int64_t Simulator::CallRegExp(byte* entry,
                               int64_t output_size,
                               Address stack_base,
                               int64_t direct_call,
-                              void* return_address,
                               Isolate* isolate) {
   CallArgument args[] = {
     CallArgument(input),
@@ -219,7 +218,6 @@ int64_t Simulator::CallRegExp(byte* entry,
     CallArgument(output_size),
     CallArgument(stack_base),
     CallArgument(direct_call),
-    CallArgument(return_address),
     CallArgument(isolate),
     CallArgument::End()
   };