Revert of [typedarrays] Check detached buffer at start of typed array methods

test/mjsunit/es6/typedarray-findindex.js

Index: test/mjsunit/es6/typedarray-findindex.js
diff --git a/test/mjsunit/es6/typedarray-findindex.js b/test/mjsunit/es6/typedarray-findindex.js
index 326cd4e931d43f25c930342492a11e6fac57f29c..51c439203d907bad0bef433858d49449c6764905 100644
--- a/test/mjsunit/es6/typedarray-findindex.js
+++ b/test/mjsunit/es6/typedarray-findindex.js
@@ -1,8 +1,6 @@
 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-
-// Flags: --allow-natives-syntax
 
 var typedArrayConstructors = [
   Uint8Array,
@@ -186,17 +184,4 @@
     function(elt) { x += elt; return false; }), -1);
 assertEquals(x, 4);
 
-// Detached Operation
-  var tmp = {
-    [Symbol.toPrimitive]() {
-      assertUnreachable("Parameter should not be processed when " +
-                        "array.[[ViewedArrayBuffer]] is neutered.");
-      return 0;
-    }
-  };
-
-  var array = new constructor([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
-  %ArrayBufferNeuter(array.buffer);
-
-  assertThrows(() => array.findIndex(tmp), TypeError);
 }