[mjsunit] Relax flags of regress-1077804.js test

Bug: chromium:1077804
Change-Id: Iec47dbbcaf4ab8ea1a738df303b35c241a4d12d7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2187499
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Auto-Submit: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67670}

test/mjsunit/regress/regress-1077804.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: --allow-natives-syntax --opt --no-always-opt --no-stress-opt
+// Flags: --allow-natives-syntax
 
 function foo() {
   return bar();