Remove docker related documentation

README.md

@@ -9,7 +9,6 @@ The currently supported frameworks are: Caffe, Torch, and Tensorflow.
 
 | Installation method | Supported platform[s] | Available versions | Instructions |
 | --- | --- | --- | --- |
-| Docker | Linux | [DockerHub tags](https://hub.docker.com/r/nvidia/digits/tags/) | [nvidia-docker wiki](https://github.com/NVIDIA/nvidia-docker/wiki/DIGITS) |
 | Source | Ubuntu 14.04, 16.04 | [GitHub tags](https://github.com/NVIDIA/DIGITS/releases) | [docs/BuildDigits.md](docs/BuildDigits.md) |
 
 

docs/BuildDigits.md

@@ -1,8 +1,6 @@
 # Building DIGITS
 
-The preferred installation method for DIGITS as of version 6 is using a dockerfile and installing it as a docker container. To install DIGITS with Docker, please follow [this guide](DockerInstall.md)
-
-If those don't work for you for some reason, the following instructions will walk you through building the latest version of DIGITS from source.
+The following instructions will walk you through building the latest version of DIGITS from source.
 **These instructions are for installation on Ubuntu 14.04 and 16.04.**
 
 Alternatively, see [this guide](BuildDigitsWindows.md) for setting up DIGITS and Caffe on Windows machines.

docs/UbuntuInstall.md

@@ -1,7 +1,5 @@
 # Ubuntu Installation
 
-Starting from DIGITS 6, the preferred method of installation is using Docker and installing DIGITS inside a Docker container. Instructions to do so are [here](DockerInstall.md). If Docker don't meet your needs, then you can follow [these instructions](BuildDigits.md) to build DIGITS and its dependencies from source.
-
 ## Getting started
 
 After getting DIGITS set up, the DIGITS server should now be running at `http://localhost:5000`.