Remove reference to Slack (#412)

Author: microbit-robert

community/slack.md

@@ -3,7 +3,7 @@ layout: page
 order:
 title: Get Involved
 heading: Join the micro:bit developer conversation
-description: Sign up for the latest news and join us on Slack
+description: Sign up for the latest news
 permalink: /community/
 ref: community
 lang: en
@@ -21,31 +21,9 @@ In addition to our regular [Micro:bit Educational Foundation newsletter](https:/
 <a href="https://microbit.us14.list-manage.com/subscribe?u=e1c30f24b90ff3d70275cfff2&id=25403c7650" class="btn sm-btn" role="button" style="margin-bottom: 2rem;">Subscribe to Developer and ecosystem news</a>
 </div>
 
-## Join us on the microbit-community slack channel!
-
-[Slack](https://slack.com) is a messaging service that allows teams and communities to connect online. It's a brilliant tool for live collaboration and the place to be for current micro:bit chatter!
-
-Note: For technical support you should use [micro:bit help & support](https://support.microbit.org), where you can search for answers and raise tickets to ask the team questions. Slack complements, but does not replace, this portal.
-
-Slack operate their own [privacy policy](https://slack.com/privacy-policy), make sure you have read and agreed with this before signing up.
-
-If you'd like to join the slack channel, please fill in the form below. This form collects your email address and system metadata, in accordance with the [privacy policy of Freshdesk](https://www.freshworks.com/privacy/) our support system. We only use this to process an invite to Slack, after which the ticket is closed and archived. If you wish, you can always [deactivate your slack account at a later date.](https://get.slack.help/hc/en-us/articles/203953146-Deactivate-your-Slack-account).
-
-Please notify <a href="mailto:help@microbit.org">help@microbit.org</a> if you wish to have your email address removed from the Freshdesk system.
-
-<script type="text/javascript" src="http://assets.freshdesk.com/widget/freshwidget.js"></script>
-<style type="text/css" media="screen, projection">
-	@import url(http://assets.freshdesk.com/widget/freshwidget.css);
-</style>
-<iframe title="Feedback Form" class="freshwidget-embedded-form" id="freshwidget-embedded-form" src="https://support.microbit.org/widgets/feedback_widget/new?&widgetType=embedded&formTitle=Join+us+on+Slack&submitTitle=Request+to+join&submitThanks=Thanks.+This+is+a+manual+process+so+you+should+get+your+invitation+shortly.&screenshot=no&attachFile=no&searchArea=no&captcha=yes&helpdesk_ticket[description]=Please+could+I+join+the+micro:bit+community+on+slack%3F&helpdesk_ticket[subject]=Request+to+join+Slack&helpdesk_ticket[type]=Question" scrolling="no" height="500px" width="100%" frameborder="0" >
-</iframe>
-
 ## Other channels and communities
 
 In addition to the Foundation's own channels, there are other communities for support and discussion:
 
 - [MakeCode micro:bit forum](https://forum.makecode.com/c/microbit/11) Connect with the MakeCode team for more technical details regarding developing micro:bit extensions or working on the MakeCode editor.
-
-- [Mu Gitter](https://gitter.im/mu-editor) Gitter chat is similar to Slack and aimed at developers using [Mu](https://codewith.mu/)
-
 - [/r/microbit](https://www.reddit.com/r/microbit) A reddit discussion on micro:bit

index.md

@@ -21,7 +21,7 @@ The Micro:bit Educational Foundation aims to be a 'responsible downstream' to th
 
 ## Latest news
 
-For the latest news and community updates, join our mailing list and Slack group.
+For the latest news and community updates, join our mailing list.
 
 {% include community.html %}
 
@@ -48,4 +48,4 @@ Help us build a brilliant hardware ecosystem around micro:bit - derivative board
 ### Write
 
   * [Improve the documentation and this site](https://github.com/microbit-foundation/dev-docs), either reporting issues or adding documentation will be extremely helpful.
-  * Help build a community around micro:bit - join the [slack channel and Email list]({{ "/community/" | relative_url }}), share the things you've created on twitter, blog about them!
+  * Help build a community around micro:bit - join the [Email list]({{ "/community/" | relative_url }}), share the things you've created on twitter, blog about them!

software/runtime.md

@@ -69,8 +69,6 @@ Firstly, you should get yourself into a situation where you can build the micro:
 
 If you would have a feature request, or would like to get involved in the micro:bit runtime development, visit the [list of open issues](https://github.com/lancaster-university/microbit-dal/issues) and raise a new issue if it isn't already in there.
 
-You can also join the [microbit developer community on Slack]({{ "/community" | relative_url }}) if you'd like to discuss the micro:bit runtime and its components.
-
 If you think you've found a bug in the DAL, please [log a new issue in the GitHub DAL repository](https://github.com/lancaster-university/microbit-dal/issues/new)
 
 ### DAL Source Code