smalloc: deprecate whole module

It makes no sense to allow people use constants from
`smalloc`, since it will be removed completely eventually.

Author: vkurchatkin

lib/fs.js

@@ -19,7 +19,7 @@ const Readable = Stream.Readable;
 const Writable = Stream.Writable;
 
 const kMinPoolSpace = 128;
-const kMaxLength = require('smalloc').kMaxLength;
+const kMaxLength = require('internal/smalloc').kMaxLength;
 
 const O_APPEND = constants.O_APPEND || 0;
 const O_CREAT = constants.O_CREAT || 0;

lib/smalloc.js

@@ -1,27 +1,6 @@
 'use strict';
 
-const smalloc = require('internal/smalloc');
-const deprecate = require('util').deprecate;
+const util = require('internal/util');
 
-exports.alloc =
-    deprecate(smalloc.alloc, 'smalloc.alloc: Deprecated, use typed arrays');
-
-exports.copyOnto =
-    deprecate(smalloc.copyOnto,
-              'smalloc.copyOnto: Deprecated, use typed arrays');
-
-exports.dispose =
-    deprecate(smalloc.dispose,
-              'smalloc.dispose: Deprecated, use typed arrays');
-
-exports.hasExternalData =
-    deprecate(smalloc.hasExternalData,
-              'smalloc.hasExternalData: Deprecated, use typed arrays');
-
-Object.defineProperty(exports, 'kMaxLength', {
-  enumerable: true, value: smalloc.kMaxLength, writable: false
-});
-
-Object.defineProperty(exports, 'Types', {
-  enumerable: true, value: Object.freeze(smalloc.Types), writable: false
-});
+module.exports = require('internal/smalloc');
+util.printDeprecationMessage('smalloc is deprecated.');