test/SemaCXX/undefined-internal.cpp: Remove target triple.

This test seems to run fine in both MS and Itanium C++ ABI mode these days.

llvm-svn: 210357

clang/test/SemaCXX/undefined-internal.cpp

@@ -1,10 +1,7 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s
 
 // Make sure we don't produce invalid IR.
-// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s
-
-// FIXME: Itanium shouldn't be necessary; the test should pass
-// in MS mode too.
+// RUN: %clang_cc1 -emit-llvm-only %s
 
 namespace test1 {
   static void foo(); // expected-warning {{function 'test1::foo' has internal linkage but is not defined}}