Revert of Use parenthesis in descriptions for array/map/set lengths/sizes

test/inspector/runtime/length-or-size-description.js

-// Copyright 2016 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.
-
-print("Test that descriptions for arrays, maps, and sets include the correct length or size.")
-
-Promise.all([
-  testExpression("new Set()"),
-  testExpression("new Set([1,2])"),
-  testExpression("new Map()"),
-  testExpression("new Map([[1,2],[3,4]])"),
-  testExpression("new Array()"),
-  testExpression("new Array(2)"),
-  testExpression("new Uint8Array()"),
-  testExpression("new Uint8Array(2)")
-]).then(() => InspectorTest.completeTest());
-
-function testExpression(expression) {
-  return Protocol.Runtime.evaluate({ expression: expression })
-            .then(result => InspectorTest.logMessage(result.result.result.description))
-            .then(() => Protocol.Runtime.evaluate({ expression: "[" + expression + "]", generatePreview: true }))
-            .then(result => InspectorTest.logMessage(result.result.result.preview.properties[0].value))
-}