Removed redundant watch tool

tools/watch.js

@@ -1,33 +0,0 @@
-/**
- * Watch for changes in the sourcecode, and rebuild vis.js on change
- *
- * Usage:
- *     cd vis
- *     node tools/watch.js
- */
-
-var watch = require('node-watch'),
-    child_process = require('child_process');
-
-// constants
-var WATCH_FOLDER = './src';
-var BUILD_COMMAND = 'jake build';
-
-// rebuilt vis.js on change of code
-function rebuild() {
-  var start = +new Date();
-  child_process.exec(BUILD_COMMAND, function () {
-    var end = +new Date();
-    console.log('rebuilt in ' + (end - start) + ' ms');
-  });
-}
-
-// watch for changes in the code, rebuilt vis.js automatically
-watch(WATCH_FOLDER, function(filename) {
-  console.log(filename + ' changed');
-  rebuild();
-});
-
-rebuild();
-
-console.log('watching for changes in the source code...');