add poster voting link and remove poster proposal template

Author: dzoladz

Diff for: _data/conf.yml

@@ -243,9 +243,9 @@ panel-voting:
   end-date:
 
 poster-voting:
-  show: false
-  url: 'https://goo.gl/tM4JJq'
-  end-date: '2021-11-29'
+  show: true
+  url: 'https://docs.google.com/forms/d/e/1FAIpQLSdPB96c7KqbKJJUN99al0fH2YeMhMyveuFd5_atqvtatZXexQ/viewform'
+  end-date: '2022-03-18'
 
 shirt-voting:
   show: false

Diff for: _includes/homepage/pre_conference.html

@@ -91,8 +91,6 @@ <h3 class="expo">Voting</h3>
             {% if site.data.conf.poster-voting.show %}
             {% include homepage/going_on_block.html
                 title='Posters'
-                more-info-link='/posters/proposed-posters.html'
-                more-info-text='View proposed posters'
                 end-date=site.data.conf.poster-voting.end-date
                 url=site.data.conf.poster-voting.url
                 url-text='Vote!'