Remove unused files

_posts/2015-02-11-welcome-to-jekyll.markdown

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----
-layout: post
-title:  "Welcome to Jekyll!"
-date:   2015-02-11 12:56:22
-categories: jekyll update
----
-You’ll find this post in your `_posts` directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run `jekyll serve`, which launches a web server and auto-regenerates your site when a file is updated.
-
-To add new posts, simply add a file in the `_posts` directory that follows the convention `YYYY-MM-DD-name-of-post.ext` and includes the necessary front matter. Take a look at the source for this post to get an idea about how it works.
-
-Jekyll also offers powerful support for code snippets:
-
-{% highlight ruby %}
-def print_hi(name)
-  puts "Hi, #{name}"
-end
-print_hi('Tom')
-#=> prints 'Hi, Tom' to STDOUT.
-{% endhighlight %}
-
-Check out the [Jekyll docs][jekyll] for more info on how to get the most out of Jekyll. File all bugs/feature requests at [Jekyll’s GitHub repo][jekyll-gh]. If you have questions, you can ask them on [Jekyll’s dedicated Help repository][jekyll-help].
-
-[jekyll]:      http://jekyllrb.com
-[jekyll-gh]:   https://github.com/jekyll/jekyll
-[jekyll-help]: https://github.com/jekyll/jekyll-help

about.md

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-layout: page
-title: About
-permalink: /about/
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-
-This is the base Jekyll theme. You can find out more info about customizing your Jekyll theme, as well as basic Jekyll usage documentation at [jekyllrb.com](http://jekyllrb.com/)
-
-You can find the source code for the Jekyll new theme at: [github.com/jglovier/jekyll-new](https://github.com/jglovier/jekyll-new)
-
-You can find the source code for Jekyll at [github.com/jekyll/jekyll](https://github.com/jekyll/jekyll)