[llvm] Change default exception model to Default in RuntimeLibcallsInfo (PR #228555)

[Devon Loehr via llvm-commits]

================
@@ -185,4 +185,13 @@ TEST(RuntimeLibcallsTest, LibcallForIntrinsic) {
             RTLIB::UNKNOWN_LIBCALL);
 }
 
+TEST(RuntimeLibcallsTest, DefaultExceptionModel) {
----------------
DKLoehr wrote:

Alright, removed.

https://github.com/llvm/llvm-project/pull/228555