fix: removes jekyll-admin due to warning

Author: sergiokopplin

Gemfile

@@ -2,7 +2,6 @@ source 'https://rubygems.org'
 
 group :jekyll_plugins do
     gem 'github-pages'
-    gem 'jekyll-admin'
     gem 'jekyll-seo-tag'
     gem 'jekyll-gist'
     gem 'jekyll-feed'

README.md

@@ -44,7 +44,7 @@ If you want to test locally on your machine, do the following steps also:
 3. Enter the cloned folder via terminal and run `bundle install`
 4. Then run `bundle exec jekyll serve`
 5. Open it in your browser: `http://localhost:4000`
-6. Do you want to use the [jekyll-admin](https://jekyll.github.io/jekyll-admin/) plugin to edit your posts? Go to the admin panel: `http://localhost:4000/admin`. The admin panel will not work on GitHub Pages, [only locally](https://github.com/jekyll/jekyll-admin/issues/341#issuecomment-292739469).
+6. Do you want an admin panel [jekyll-admin](https://jekyll.github.io/jekyll-admin/) to edit your posts? You can install this plugin [jekyll-admin](https://jekyll.github.io/jekyll-admin/).
 
 ## Settings
 

_config.yml

@@ -107,7 +107,6 @@ plugins:
   - jekyll-gist
   - jekyll-feed
   - jemoji
-  - jekyll-admin
   - jekyll-paginate-v2
 
 compress_html: