fix videos broken urls

docs/learning-resources/videos.md

@@ -14,11 +14,10 @@ Videos
 
 * [Compromising Kubernetes Cluster by Exploiting RBAC Permissions](https://www.youtube.com/watch?v=1LMo0CftVC4) by [Eviatar Gerzi](https://twitter.com/g3rzi)
 * [A Technical Overview of Kubernetes](https://www.youtube.com/watch?v=WwBdNXt6wO4) by [Bredan Burns](https://twitter.com/brendandburns)
-* [Alpaca Kubernetes on AWS](https://www.youtube.com/watch?v=jLk1pkc7kv4) by [Adrien Lemaire](https://twitter.com/fandekasp)
+* [Alpaca Kubernetes on AWS](https://www.youtube.com/watch?v=jLk1pkc7kv4) by Adrien Lemaire
 * [Arun Gupta: Package your Java applications using Docker and Kubernetes](https://www.youtube.com/watch?v=R2nj1vRjLwE) by [Arun Gupta](https://twitter.com/arungupta)
 * [Container Orchestration using CoreOS and Kubernetes](https://www.youtube.com/watch?v=tA8XNVPZM2w) by [Kelsey Hightower](https://twitter.com/kelseyhightower)
 * [DevNation 2015 - Paul Bakker - Kubernetes: Beyond the basics](https://youtu.be/MuazGHiiGmA) by [Paul Bakker](https://twitter.com/pbakker)
-* [Docker Containers and Kubernetes with Brian Dorsey](https://www.youtube.com/watch?v=Fcb4aoSAZ98) by [Brian Dorsey](https://twitter.com/briandorsey)
 * [Google I/O 2014 - Containerizing the Cloud with Docker on Google Cloud Platform](https://www.youtube.com/watch?v=tsk0pWf4ipw) by [Google Developers](https://www.youtube.com/channel/UC_x5XG1OV2P6uZZ5FSM9Ttw)
 * [Kubernetes-Defined Monitoring](https://www.youtube.com/watch?v=ncSn3_9bfIQ)
 * [Kubernetes: The Journey So Far - Greg DeMichillie](https://youtu.be/6a2Nirr8cI0) by [Greg DeMichillie](https://twitter.com/gregde)
@@ -28,4 +27,4 @@ Videos
 
 ### CI/CD Videos
 
-- [Automating CI/CD on Kubernetes with Jenkins X](https://www.youtube.com/watch?v=BF3MhFjvBTU) by [James Strachan](https://twitter.com/jstrachan) using [Jenkins X](https://jenkins-x.io/) with [these slides](https://docs.google.com/presentation/d/1hwt2lFh3cCeFdP4xoT_stMPs0nh2xVZUtze6o79WfXc/edit#slide=id.p)
+- [Automating CI/CD on Kubernetes with Jenkins X](https://www.youtube.com/watch?v=BF3MhFjvBTU) by [James Strachan](https://twitter.com/jstrachan) using [Jenkins X](https://jenkins-x.io/) with [these slides](https://docs.google.com/presentation/d/1hwt2lFh3cCeFdP4xoT_stMPs0nh2xVZUtze6o79WfXc/edit#slide=id.p)