[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/offset-folding.ll b/llvm/test/CodeGen/WebAssembly/offset-folding.ll
index e8e98ec..863549f 100644
--- a/llvm/test/CodeGen/WebAssembly/offset-folding.ll
+++ b/llvm/test/CodeGen/WebAssembly/offset-folding.ll
@@ -3,7 +3,7 @@
 ; Test that constant offsets can be folded into global addresses.
 
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
-target triple = "wasm32-unknown-unknown-wasm"
+target triple = "wasm32-unknown-unknown"
 
 @x = external global [0 x i32]
 @y = global [50 x i32] zeroinitializer