Remove modules from source

node_modules/shelljs/plugin.js

@@ -1,16 +0,0 @@
-// Various utilties exposed to plugins
-
-require('./shell'); // Create the ShellJS instance (mandatory)
-
-var common = require('./src/common');
-
-var exportedAttributes = [
-  'error',        // For signaling errors from within commands
-  'parseOptions', // For custom option parsing
-  'readFromPipe', // For commands with the .canReceivePipe attribute
-  'register',     // For registering plugins
-];
-
-exportedAttributes.forEach(function (attr) {
-  exports[attr] = common[attr];
-});