Un-deprecate Some Public Example Images (#281)

* refactor(images/golang): undeprecated enterprise-golang

* refactor(images/java): undeprecated enterprise-java

* refactor(images/node): undeprecated enterprise-node

* feat(images/rstudio-server): added rstudio-server example image

* refactor(images): removed deprecation notice

* fix(images/rstudio-server): fixed README and Dockerfile formatting

* refactor(images/rstudio-server): removed rstudio-server image

* refactor(images/*/README.md): simplified README descriptions.

---------

Co-authored-by: Jullian Pepito <jullian@macbook-pro.lan>

Author: jatcod3r

deprecated/golang/deprecated.txt

@@ -14,8 +14,5 @@ ENV GOPATH /home/coder/go
 ENV GOBIN $GOPATH/bin
 ENV PATH $PATH:$GOBIN
 
-COPY deprecated.txt /etc/motd
-RUN echo '[ ! -z "$TERM" ] && cat /etc/motd' >> /etc/bash.bashrc
-
 # Set back to coder user
 USER coder

deprecated/java/deprecated.txt

@@ -1,4 +1,4 @@
-# Enterprise Golang
+# Golang
 
 [![DockerPulls](https://img.shields.io/docker/pulls/codercom/enterprise-golang)](https://hub.docker.com/r/codercom/enterprise-golang)
 
@@ -7,7 +7,7 @@
 Wraps [enterprise-base](../base/README.md) with the basics for Go development.
 
 > **Note:** This image does not contain GoLand. For an example of how to install
-> GoLand, see [enterprise-goland](../goland/README.md)
+> GoLand, see [enterprise-goland](../../deprecated/goland/README.md)
 
 ## How To Use
 

deprecated/node/deprecated.txt

@@ -52,8 +52,5 @@ RUN mkdir -p /usr/share/gradle /usr/share/gradle/ref \
 
 ENV PATH $PATH:$GRADLE_HOME/bin
 
-COPY deprecated.txt /etc/motd
-RUN echo '[ ! -z "$TERM" ] && cat /etc/motd' >> /etc/bash.bashrc
-
 # Set back to coder user
 USER coder

deprecated/golang/Dockerfile.ubuntu renamed to images/golang/Dockerfile.ubuntu

@@ -1,4 +1,4 @@
-# Enterprise Java
+# Java
 
 [![Docker Pulls](https://img.shields.io/docker/pulls/codercom/enterprise-java?label=codercom%2Fenterprise-java)](https://hub.docker.com/r/codercom/enterprise-java)
 
@@ -7,7 +7,7 @@
 Wraps [enterprise-base](../base/README.md) with the basics for Java development.
 
 > **Note:** This image does not contain IntelliJ. For an example of how to
-> install IntelliJ, see [enterprise-intellij](../intellij/README.md)
+> install IntelliJ, see [enterprise-intellij](../../deprecated/intellij/README.md)
 
 ## How To Use
 

deprecated/golang/README.md renamed to images/golang/README.md

@@ -13,8 +13,5 @@ RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
 RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
 RUN DEBIAN_FRONTEND="noninteractive" apt-get update && apt-get install -y yarn
 
-COPY deprecated.txt /etc/motd
-RUN echo '[ ! -z "$TERM" ] && cat /etc/motd' >> /etc/bash.bashrc
-
 # Set back to coder user
 USER coder

deprecated/java/Dockerfile.ubuntu renamed to images/java/Dockerfile.ubuntu

@@ -1,4 +1,4 @@
-# Enterprise Node
+# Node
 
 [![Docker Pulls](https://img.shields.io/docker/pulls/codercom/enterprise-node?label=codercom%2Fenterprise-node)](https://hub.docker.com/r/codercom/enterprise-node)