Remove border from space front page

Author: fbacall

app/views/static/home/_space_welcome.html.erb

@@ -2,7 +2,7 @@
   <%# Welcome text %>
   <div class="welcome-text">
     <h1 class="module-heading"><%= current_space.title %></h1>
-    <div class="description font-size-lg">
+    <div class="font-size-lg">
       <%= render_markdown current_space.description %>
     </div>
   </div>