[WebAssembly] Remove final -wasm component of target triple. NFC.

This has been the default for a while now.

llvm-svn: 332009
diff --git a/lld/test/wasm/fatal-warnings.ll b/lld/test/wasm/fatal-warnings.ll
index f3f1d3b..af15be5 100644
--- a/lld/test/wasm/fatal-warnings.ll
+++ b/lld/test/wasm/fatal-warnings.ll
@@ -5,7 +5,7 @@
 ; CHECK-WARN: warning: Function type mismatch: _start
 ; CHECK-FATAL: error: Function type mismatch: _start
 
-target triple = "wasm32-unknown-unknown-wasm"
+target triple = "wasm32-unknown-unknown"
 
 define hidden i32 @_start(i32 %arg) local_unnamed_addr {
 entry: