Remove perf tests that are moved to another location.

test/perf-test/Collections/set.js

-// 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.
-
-
-var SetBenchmark = new BenchmarkSuite('Set', [1000], [
-  new Benchmark('Add', false, false, 0, SetAdd),
-  new Benchmark('Has', false, false, 0, SetHas, SetSetup, SetTearDown),
-  new Benchmark('Delete', false, false, 0, SetDelete, SetSetup, SetTearDown),
-  new Benchmark('ForEach', false, false, 0, SetForEach, SetSetup, SetTearDown),
-]);
-
-
-var set;
-var N = 10;
-
-
-function SetSetup() {
-  set = new Set;
-  for (var i = 0; i < N; i++) {
-    set.add(i);
-  }
-}
-
-
-function SetTearDown() {
-  map = null;
-}
-
-
-function SetAdd() {
-  SetSetup();
-  SetTearDown();
-}
-
-
-function SetHas() {
-  for (var i = 0; i < N; i++) {
-    if (!set.has(i)) {
-      throw new Error();
-    }
-  }
-  for (var i = N; i < 2 * N; i++) {
-    if (set.has(i)) {
-      throw new Error();
-    }
-  }
-}
-
-
-function SetDelete() {
-  // This is run more than once per setup so we will end up deleting items
-  // more than once. Therefore, we do not the return value of delete.
-  for (var i = 0; i < N; i++) {
-    set.delete(i);
-  }
-}
-
-
-function SetForEach() {
-  set.forEach(function(v, k) {
-    if (v !== k) {
-      throw new Error();
-    }
-  });
-}