Remove onlyStrict flag and 'use strict' directive from tests which run in strict and non-strict mode

test/staging/sm/Array/concat-spreadable-basic.js

@@ -4,14 +4,11 @@
  */
 
 /*---
-flags:
-  - onlyStrict
 includes: [deepEqual.js]
 description: |
   pending
 esid: pending
 ---*/
-"use strict";
 
 const x = Object.freeze([1, 2, 3]);
 
@@ -44,4 +41,3 @@ assert.deepEqual(x.concat(array), [1, 2, 3, [5, 4]]);
 // Explicitly spreadable
 array[Symbol.isConcatSpreadable] = true;
 assert.deepEqual(x.concat(array), [1, 2, 3, 5, 4]);
-

test/staging/sm/Array/concat-spreadable-primitive.js

@@ -4,14 +4,11 @@
  */
 
 /*---
-flags:
-  - onlyStrict
 includes: [compareArray.js]
 description: |
   pending
 esid: pending
 ---*/
-"use strict";
 
 // Primitive values should never be tried to spread
 let primitives = [
@@ -41,4 +38,3 @@ for (let value of primitives) {
 
     prototype.length;
 }
-

test/staging/sm/Proxy/define-writable-as-non-writable.js

@@ -2,13 +2,10 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - onlyStrict
 description: |
   pending
 esid: pending
 ---*/
-"use strict";
 
 var target = {};
 Object.defineProperty(target, "test", {configurable: false, writable: true, value: 5});
@@ -23,4 +20,3 @@ var proxy = new Proxy(target, {
 assert.throws(TypeError, () => Object.defineProperty(proxy, "test", {writable: false}));
 
 assert.throws(TypeError, () => Reflect.defineProperty(proxy, "test", {writable: false}));
-

test/staging/sm/Proxy/delete-non-extensible.js

@@ -2,13 +2,10 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - onlyStrict
 description: |
   pending
 esid: pending
 ---*/
-"use strict";
 
 var target = { test: true };
 Object.preventExtensions(target);
@@ -24,4 +21,3 @@ assert.sameValue(Reflect.deleteProperty(proxy, "missing"), true);
 
 assert.throws(TypeError, () => { delete proxy.test; });
 assert.throws(TypeError, () => Reflect.deleteProperty(proxy, "test"));
-

test/staging/sm/Proxy/report-writable-as-non-writable.js

@@ -2,13 +2,10 @@
 // This code is governed by the BSD license found in the LICENSE file.
 
 /*---
-flags:
-  - onlyStrict
 description: |
   pending
 esid: pending
 ---*/
-"use strict";
 
 var target = {};
 Object.defineProperty(target, "test",
@@ -24,4 +21,3 @@ var proxy = new Proxy(target, {
 assert.throws(TypeError, () => Object.getOwnPropertyDescriptor(proxy, "test"));
 
 assert.throws(TypeError, () => Reflect.getOwnPropertyDescriptor(proxy, "test"));
-

test/staging/sm/extensions/element-setting-ToNumber-detaches.js

@@ -4,19 +4,10 @@
  */
 
 /*---
-flags:
-  - onlyStrict
 description: |
   Don't assert assigning into memory detached while converting the value to assign into a number
 esid: pending
 ---*/
-"use strict"; // make test fail when limitation below is fixed
-
-// Technically per current spec the element-sets should throw in strict mode,
-// but we just silently do nothing for now, somewhat due to limitations of our
-// internal MOP (which can't easily say "try this special behavior, else fall
-// back on normal logic"), somewhat because it's consistent with current
-// behavior (as of this test's addition) for out-of-bounds sets.
 
 var ab = new ArrayBuffer(64);
 var ta = new Uint32Array(ab);