Remove dependency in gulpfile which is not in skeleton

Author: manolo

gulpfile.js

@@ -5,7 +5,6 @@ const eslint = require('gulp-eslint');
 const htmlExtract = require('gulp-html-extract');
 const lec = require('gulp-line-ending-corrector');
 const stylelint = require('gulp-stylelint');
-const wct = require('web-component-tester').test;
 const find = require('gulp-find');
 const replace = require('gulp-replace');
 const expect = require('gulp-expect-file');
@@ -60,16 +59,6 @@ gulp.task('lint:css', function() {
     }));
 });
 
-gulp.task('test', ['lint'], function(done) {
-  wct({
-    plugins: {
-      local: {
-        browsers: ['chrome']
-      }
-    }
-  }, done);
-});
-
 gulp.task('version:check', function() {
   const expectedVersion = new RegExp('^' + require('./package.json').version + '$');
   return gulp.src(['src/*.html'])