[WebAssembly] Update target datalayout strings.

llvm-svn: 247187
diff --git a/llvm/test/CodeGen/WebAssembly/store-trunc.ll b/llvm/test/CodeGen/WebAssembly/store-trunc.ll
index 21988db..ec5a4a6 100644
--- a/llvm/test/CodeGen/WebAssembly/store-trunc.ll
+++ b/llvm/test/CodeGen/WebAssembly/store-trunc.ll
@@ -2,7 +2,7 @@
 
 ; Test that truncating stores are assembled properly.
 
-target datalayout = "e-p:32:32-i64:64-v128:8:128-n32:64-S128"
+target datalayout = "e-p:32:32-i64:64-n32:64-S128"
 target triple = "wasm32-unknown-unknown"
 
 ; CHECK-LABEL: (func $trunc_i8_i32