Removed the "Alpha version" from install page

Website/pages/install.vue

@@ -3,9 +3,6 @@
     <h1 class="title-text">Select Your Platform</h1>
 
     <div style="color: #999">
-      <p style="margin-top: 0.5rem; margin-bottom: 0">
-        This is an <b>ALPHA version!</b> It may be slow. It may be buggy.
-      </p>
       <p style="margin-bottom: 1rem">
         Available for Firefox and all Chromium browsers
         (Chrome/Edge/Opera/Brave).