[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/implicit-def.ll b/llvm/test/CodeGen/WebAssembly/implicit-def.ll
index 81f9b65..da66be9 100644
--- a/llvm/test/CodeGen/WebAssembly/implicit-def.ll
+++ b/llvm/test/CodeGen/WebAssembly/implicit-def.ll
@@ -1,6 +1,6 @@
 ; RUN: llc -o - %s -asm-verbose=false | FileCheck %s
 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
-target triple = "wasm32-unknown-unknown-wasm"
+target triple = "wasm32-unknown-unknown"
 
 ; Test that stackified IMPLICIT_DEF instructions are converted into
 ; CONST_I32 to provide an explicit push.