Remove xfail'd test. This method of limiting debug info isn't

going to go anywhere.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181961 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenCXX/debug-info-limit-type.cpp

-// RUN: %clang  -emit-llvm -g -S %s -o - | FileCheck %s
-// XFAIL: *
-
-class B {
-public:
-  int bb;
-  void fn2() {}
-};
-
-class A {
-public:
-  int aa;
-  void fn1(B b) { b.fn2(); }
-};
-
-void foo(A *aptr) {
-}
-
-void bar() {
-  A a;
-}
-
-// B should only be emitted as a forward reference (i32 4).
-// CHECK: metadata !"B", metadata !6, i32 3, i32 0, i32 0, i32 0, i32 4} ; [ DW_TAG_class_type ]