Remove gallery controller and link Flickr group

The gallery controller was embedding the same Flickr gallery
via a Adobe Flash plugin, which is no longer a thing in 2022.

Author: dirkmueller

.gitignore

@@ -37,9 +37,6 @@ en.pak
 # Ignore sphinx autogenerated configs
 /config/*.sphinx.conf
 
-# Ignore the gallery files
-/public/gallery/*
-/public/gallery/.thumbnails/*
 /public/system/*
 /storage/*
 

app/assets/images/swipebox/icons.png

@@ -17,7 +17,6 @@
 //= require jquery-hotkeys
 //= require bootstrap
 //= require selectize
-//= require jquery.table-filter.js
 //= require holder.js
 
 // to store clicked link

app/assets/images/swipebox/icons.svg

@@ -13,7 +13,6 @@
  *= require webfonts.css
  *= require selectize
  *= require selectize.bootstrap3
- *= require swipebox.css
  *= require hackweek.css
  *= require jquery.atwho
  *= require comments.css

app/assets/images/swipebox/loader.gif

@@ -13,9 +13,9 @@
               %i.fas.fa-info
               About
           %li
-            = link_to(gallery_path) do
+            = link_to('https://www.flickr.com/groups/hackweek/pool/') do
               %i.fas.fa-images
-              Pics
+              Flickr Gallery
           %li
             = link_to(faqs_path) do
               %i.fas.fa-question

app/assets/javascripts/application.js

@@ -83,8 +83,6 @@
 
   get '/faq', to: redirect('/faqs')
 
-  get 'gallery', to: 'gallery#index'
-
   get 'about', to: 'about#show'
   get 'howto', to: 'about#show'