remove unused feed and post files

Author: jwcooper

Gemfile

@@ -18,7 +18,6 @@ gem "jekyll", "~> 3.8.4"
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem 'jekyll-sitemap'
-  gem 'jekyll-feed'
   gem 'jekyll-seo-tag'
   gem 'jekyll-paginate'
 end

Gemfile.lock

@@ -27,8 +27,6 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-feed (0.11.0)
-      jekyll (~> 3.3)
     jekyll-paginate (1.1.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
@@ -65,7 +63,6 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 3.8.4)
-  jekyll-feed
   jekyll-paginate
   jekyll-seo-tag
   jekyll-sitemap