remove 32 bit download links for 2.3 beta

https://mixxx.zulipchat.com/#narrow/stream/109171-development/topic/2.2E3.20planning.3A.20https.3A.2F.2Fgithub.2Ecom.2Fmixxxdj.2Fmixxx.2Fprojects.2F2/near/197279558

pages/download.html

@@ -103,12 +103,6 @@ <h1>{% blocktrans %}Download Now ({{ unstable_version }}){% endblocktrans %}</h1
   <div class="halfbox_left darkborder winbox">
     <h2><img src="{% static '/static/images/download_windows.png' %}" class="feature_icon" style="margin-top: -7px;">{{ windows }}</h2>
 
-    <p>
-      <a href="{{ unstable_win32 }}"
-         onClick="javascript:trackDownload('{{ unstable_win32_analytics_conversion }}');">
-        {% blocktrans %}Download {{ unstable_version }} for 32-bit Windows {{ unstable_win_min_version }} or later {% endblocktrans %}</a>
-    </p>
-
     <p>
       <a href="{{ unstable_win64 }}"
          onClick="javascript:trackDownload('{{ unstable_win64_analytics_conversion }}');">
@@ -151,10 +145,6 @@ <h2><img src="{% static '/static/images/download_ubuntu.png' %}" class="feature_
 
     <p>{% blocktrans %}New packages will be made available every time the code is changed. If you are using the PPA, these will be installed automatically with apt. Otherwise, you can download individual packages to install and check back periodically for updates until Mixxx {{ next_stable_version }} is released:{% endblocktrans %}</p>
 
-    <p><a href="{{ unstable_ubuntu32 }}"
-          onclick="javascript:trackDownload('{{ unstable_ubuntu32_analytics_conversion }}');">
-        {% blocktrans %}{{ unstable_version }} for 32-bit Ubuntu {{ unstable_ubuntu_min_version }} or later{% endblocktrans %}</a></p>
-
     <p><a href="{{ unstable_ubuntu64 }}"
           onclick="javascript:trackDownload('{{ unstable_ubuntu64_analytics_conversion }}');">
         {% blocktrans %}{{ unstable_version }} for 64-bit Ubuntu {{ unstable_ubuntu_min_version }} or later{% endblocktrans %}</a></p>