Remove checks for $stderr methods in KernelModule::print

This TODO with hooks for setting the global has been done.

src/kernel_module.cpp

@@ -510,16 +510,6 @@ Value KernelModule::p(Env *env, Args args) {
 Value KernelModule::print(Env *env, Args args) {
     auto _stdout = env->global_get("$stdout"_s);
     assert(_stdout);
-    // NATFIXME: This prevents crashes when $stdout is set to an object that
-    // doesn't have a write method.  Technically this should be done when
-    // setting the global, but we dont have a hook for that yet, so this will
-    // do for now.
-    if (!_stdout->respond_to(env, "write"_s)) {
-        env->raise("TypeError", "$stdout must have write method, {} given", _stdout->klass()->inspect_str());
-    }
-    if (!_stdout->respond_to(env, "print"_s)) {
-        env->raise("TypeError", "$stdout must have print method, {} given", _stdout->klass()->inspect_str());
-    }
     if (args.size() == 0)
         args = Args { env->global_get("$_"_s) };
     // NATFIXME: Kernel.print should actually call IO.print and not