[clang][IFS][test] Fixing buildbot test fails for clang-ifs.
Checking for the exact triple fails on many bots. Leaving the triple
check blank.
diff --git a/clang/test/InterfaceStubs/template-constexpr.cpp b/clang/test/InterfaceStubs/template-constexpr.cpp
index 770a307..25d67d3 100644
--- a/clang/test/InterfaceStubs/template-constexpr.cpp
+++ b/clang/test/InterfaceStubs/template-constexpr.cpp
@@ -2,10 +2,10 @@
// CHECK: --- !experimental-ifs-v1
// CHECK-NEXT: IfsVersion: 1.0
-// CHECK-NEXT: Triple: x86_64-unknown-linux-gnu
+// CHECK-NEXT: Triple:
// CHECK-NEXT: ObjectFileFormat: ELF
// CHECK-NEXT: Symbols:
// CHECK-NEXT: ...
template<typename T, T v> struct S8 { static constexpr T value = v; };
-template<typename T, T v> constexpr T S8<T, v>::value;
\ No newline at end of file
+template<typename T, T v> constexpr T S8<T, v>::value;