Remove presentation support links (#241)

* Redirect presentations to main index

* Remove presentation support from navigation.

Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>

docs/main/presentations.md

@@ -1,9 +1,6 @@
 ---
 title: Presenting Pi-hole
 description: Support for presenters
-last_updated: Sun Jan 13 18:37:35 2019 UTC
+last_updated: Sun Feb 9 2020
+redirect: /
 ---
-
-Word-of-mouth continues to help our project grow immensely, and so we are helping make this easier for people.
-
-If you are going to be presenting Pi-hole at a conference, meetup or even a school project, [get in touch with us](https://pi-hole.net/2017/05/17/giving-a-presentation-on-pi-hole-contact-us-first-for-some-goodies-and-support/) so we can hook you up with free swag to hand out to your audience!

mkdocs.yml

@@ -50,7 +50,6 @@ nav:
   - 'About Pi-hole':
     - 'Contact Us': main/contact.md
     - 'Pi-hole Origins': main/origins.md
-    - 'Presentation Support': main/presentations.md
     - 'On the Web': main/coverage.md
   - 'Getting Started':
     - 'Prerequisites': main/prerequesites.md