no longer using autoprefixer

.bundler-version

@@ -1 +1 @@
-2.1.4
+2.2.3

Gemfile

@@ -13,7 +13,6 @@ group :development, :test do
   gem 'rake'
   gem 'html-proofer', '~> 3.10.2'
   gem 'eslintrb'
-  gem 'jekyll-autoprefixer'
   gem 'test-unit'
   gem 'json-schema'
   gem "webrick", "~> 1.7"

Gemfile.lock

@@ -16,8 +16,6 @@ GEM
       tzinfo (~> 1.1)
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    autoprefixer-rails (9.8.6.5)
-      execjs
     colorator (1.1.0)
     colorize (0.8.1)
     concurrent-ruby (1.1.9)
@@ -63,8 +61,6 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-autoprefixer (1.0.2)
-      autoprefixer-rails (~> 9.3)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
     jekyll-toc (0.17.1)
@@ -125,7 +121,6 @@ DEPENDENCIES
   hawkins
   html-proofer (~> 3.10.2)
   jekyll
-  jekyll-autoprefixer
   jekyll-toc
   jekyll_pages_api!
   json-schema

_config.yml

@@ -6,9 +6,6 @@ url: "https://open.gsa.gov" # the base hostname & protocol for your site
 logo: /assets/img/site-logo.png
 feature_image: /assets/img/feature-background.jpg
 
-plugins:
-  - jekyll-autoprefixer
-
 sass:
   load_paths:
     - assets/uswds/scss

package.json

@@ -7,13 +7,11 @@
     "eslint": "npm run eslint:dist",
     "clean:dist": "rm -rf _site",
     "clean": "npm run clean:dist",
-    "test:html": "bundle exec htmlproofer _site --disable-external --allow-hash-href --url-ignore [email protected] || exit 0",
-    "test:html-local": "bundle exec htmlproofer _site --disable-external --allow-hash-href --url-ignore localhost:4000 || exit 0",
     "test:pagespeed": "psi https://open.gsa.gov/ --strategy=mobile || exit 0",
     "test:accessibility": "pa11y https://open.gsa.gov/ || exit 0",
     "test:css": "stylelint ./_sass/*.scss || exit 0",
     "test:js": "npm run eslint",
-    "test": "npm run test:html && npm run test:pagespeed && npm run test:accessibility && npm run test:js && npm run test:css",
+    "test": "npm run test:pagespeed && npm run test:accessibility && npm run test:js && npm run test:css",
     "build:uswds": "cp -R node_modules/uswds/dist/ assets/uswds",
     "build:jquery": "cp node_modules/jquery/dist/jquery.min.* assets/js/lib"
   },