[wasm] Temporarily disable --wasm-shared-engine test.

R=leszeks@chromium.org

Change-Id: Ib037c43571cda0e2da3c6da3d763cfe27c797413
Reviewed-on: https://chromium-review.googlesource.com/1150033Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54692}

test/mjsunit/wasm/worker-module.js

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --wasm-shared-engine --no-wasm-disable-structured-cloning
+// Flags: --no-wasm-disable-structured-cloning
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");