cleanup

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

lib/po.js

@@ -10,9 +10,6 @@ var PO = function () {
     this.items = [];
 };
 
-PO.prototype.save = function (filename, callback) {
-    require('fs').writeFile(filename, this.toString(), callback);
-};
 
 PO.prototype.toString = function () {
     var lines = [];
@@ -62,16 +59,6 @@ PO.prototype.toString = function () {
     return lines.join('\n');
 };
 
-PO.load = function (filename, callback) {
-    require('fs').readFile(filename, 'utf-8', function (err, data) {
-        if (err) {
-            return callback(err);
-        }
-        var po = PO.parse(data);
-        callback(null, po);
-    });
-};
-
 PO.parse = function (data) {
     //support both unix and windows newline formats.
     data = data.replace(/\r\n/g, '\n');