Remove new-contributor-playground

contributors/new-contributor-playground/OWNERS

@@ -1,14 +0,0 @@
-reviewers:
-  - parispittman
-  - guineveresaenger
-  - jberkus
-  - errordeveloper
-  - tpepper
-  - spiffxp
-approvers:
-  - parispittman
-  - guineveresaenger
-  - jberkus
-  - errordeveloper
-labels:
-  - area/new-contributor-track

contributors/new-contributor-playground/README.md

@@ -1,12 +0,0 @@
-# Welcome to KubeCon Copenhagen's New Contributor Track!
-
-Hello new contributors!
-
-This subfolder of [kubernetes/community](https://github.com/kubernetes/community) will be used as a safe space for participants in the New Contributor Onboarding Track to familiarize themselves with (some of) the Kubernetes Project's review and pull request processes.
-
-The label associated with this track is `area/new-contributor-track`.
-
-*If you are not currently attending or organizing this event, please DO NOT create issues or pull requests against this section of the community repo.*
-
-A [Youtube playlist](https://www.youtube.com/playlist?list=PL69nYSiGNLP3M5X7stuD7N4r3uP2PZQUx) of this workshop has been posted, and an outline of content to videos can be found [here](http://git.k8s.io/community/events/2018/05-contributor-summit).
-

contributors/new-contributor-playground/hello-from-copenhagen.md

@@ -1,4 +0,0 @@
-# Hello from Copenhagen!
-
-Hello everyone who's attending the Contributor Summit at KubeCon + CloudNativeCon in Copenhagen!
-Great to see so many amazing people interested in contributing to Kubernetes :)

contributors/new-contributor-playground/new-contributors.md

@@ -1,5 +0,0 @@
-# Hello everyone!
-
-Please feel free to talk amongst yourselves or ask questions if you need help
-
-First commit at kubecon from @mitsutaka