Enable code write protection on standalone VM

runtime/bin/main.cc

Index: runtime/bin/main.cc
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index 3be7eb7e328024a2cf58da440a9d6924737cfb0d..5a89f4d4ddc0c321b2e599d78d2886b133d09e75 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -1843,7 +1843,6 @@ void main(int argc, char** argv) {
   bool print_flags_seen = false;
   bool verbose_debug_seen = false;
 
-  vm_options.AddArgument("--no_write_protect_code");
   // Perform platform specific initialization.
   if (!Platform::Initialize()) {
     Log::PrintErr("Initialization failed\n");