Systemjs builder isn't used

Author: KorinaGraber

gulpfile.js

@@ -2,7 +2,6 @@
 
 const gulp = require('gulp');
 const del = require('del');
-const Builder = require('systemjs-builder');
 const runSequence = require('run-sequence');
 const concat = require('gulp-concat');
 const cleanCss = require('gulp-clean-css');
@@ -74,4 +73,4 @@ gulp.task('run-update', () => {
 
 gulp.task('wipe-npm-update', ['wipe-npm'], () => {
 	gulp.start('run-update');
-});
+});