[WebAsembly] Update default triple in test files to wasm32-unknown-unkown.

Summary: The final -wasm component has been the default for some time now.

Subscribers: jfb, dschuff, jgravelle-google, eraman, aheejin, JDevlieghere, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D46342

llvm-svn: 332007
diff --git a/llvm/test/CodeGen/WebAssembly/func.ll b/llvm/test/CodeGen/WebAssembly/func.ll
index 994ef62..213e591 100644
--- a/llvm/test/CodeGen/WebAssembly/func.ll
+++ b/llvm/test/CodeGen/WebAssembly/func.ll
@@ -3,7 +3,7 @@
 ; Test that basic functions assemble as expected.
 
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
-target triple = "wasm32-unknown-unknown-wasm"
+target triple = "wasm32-unknown-unknown"
 
 ; CHECK-LABEL: f0:
 ; CHECK: return{{$}}