fix(cli): remove copy-source-files

closes #833

Author: bmuenzenmeyer

packages/cli/bin/cli-actions/build.js

@@ -1,14 +1,12 @@
 'use strict';
 const buildPatterns = require('../build');
-const copyFiles = require('../copy-source-files');
 const resolveConfig = require('../resolve-config');
 const { error, info, wrapAsync } = require('../utils');
 
 const build = options =>
   wrapAsync(function*() {
     try {
       const config = yield resolveConfig(options.parent.config);
-      yield copyFiles(config.paths);
       yield buildPatterns(config, options);
       info(`build: Yay, your Pattern Lab project was successfully built ☺`);
     } catch (err) {