removing additional broken links

Author: mattmakai

content/pages/05-deployment/19-nginx.markdown

@@ -116,10 +116,6 @@ several years.
   as well as the Pagespeed module that Google released for both Nginx
   and the [Apache HTTP Server](/apache-http-server.html).
 
-* [Nginx for Developers: An Introduction](http://carrot.is/coding/nginx_introduction)
-  provides the first steps to getting an initial Nginx configuration up and
-  running. 
-
 * [A faster Web server: ripping out Apache for Nginx](http://arstechnica.com/business/2011/11/a-faster-web-server-ripping-out-apache-for-nginx/)
   explains how Nginx can be used instead of Apache in some cases for
   better performance.

content/pages/05-deployment/32-configuration-management.markdown

@@ -78,8 +78,6 @@ management and application deployment tool built in Python.
 
 * [Idempotence, convergence, and other silly fancy words we often use](https://groups.google.com/forum/#!msg/Ansible-project/WpRblldA2PQ/lYDpFjBXDlsJ)
 
-* [Testing with Jenkins, Docker and Ansible](http://blog.mist.io/post/82383668190/move-fast-and-dont-break-things-testing-with)
-
 
 ## Application dependencies learning checklist
 1. Learn about configuration management in the context of deployment 

content/pages/05-deployment/36-docker.markdown

@@ -77,10 +77,6 @@ on Amazon Web Services, Google Compute Engine, Linode, Rackspace or elsewhere.
   is a short tutorial for creating a Docker container with a specific
   configuration.
 
-* [10 things to avoid in Docker containers](http://developerblog.redhat.com/2016/02/24/10-things-to-avoid-in-docker-containers/)
-  provides a lot of "don'ts" that you'll want to consider before bumping
-  up against the limitations of how containers should be used.
-
 * [Docker Internals](http://docker-saigon.github.io/post/Docker-Internals/) presents
   Linux containers and how Docker uses them as its base for how the project works.
   This article is a great way to bridge what you know about Docker with a more