Cleaned up unused rimraf and exec

Author: lourd

package.js

@@ -15,7 +15,6 @@ Package.registerBuildPlugin({
   ],
   npmDependencies: {
     'mkdirp': '0.5.0',
-    'rimraf': '2.2.8',
     'node-echo': '0.1.1',
     'js-beautify': '1.5.5'
   }

plugin/init_npm.js

@@ -1,9 +1,6 @@
 var path = Npm.require('path');
 var fs = Npm.require('fs');
-var Future = Npm.require('fibers/future');
-var exec = Npm.require('child_process').exec;
 var mkdirp = Npm.require('mkdirp');
-var rimraf = Npm.require('rimraf');
 var echo = Npm.require('node-echo');
 var beautify = Npm.require('js-beautify');
 
@@ -40,19 +37,6 @@ if(canProceed() && !fs.existsSync(npmContainerDir)) {
   process.exit(0);
 }
 
-function execSync(command, options) {
-  options = options || {};
-  var f = new Future();
-  exec(command, options, function(err, stdout, stderr) {
-    if(err) {
-      throw err;
-    } else {
-      f.return(stdout);
-    }
-  });
-  return f.wait();
-}
-
 // check whether is this `meteor test-packages` or not
 function canProceed() {
   var unAcceptableCommands = {'test-packages': 1, 'publish': 1};