hid clearcanvas and seek tabs on topic pages as they had broken functionality

app/views/topics/show.html.erb

@@ -18,7 +18,7 @@
   <% if authenticated? %>
     <button onclick="saveToMap();">Save to Map</button>
   <% end %>
-  <button onclick='clearCanvasExceptRoot();'>Clear Canvas</button>
+  <!-- <button onclick='clearCanvasExceptRoot();'>Clear Canvas</button> -->
 </div>
 <div class="clearfloat"></div>
 
@@ -41,7 +41,7 @@
 	});
 </script>
 
-<%= render :partial => 'main/find' %>
+<!-- <%= render :partial => 'main/find' %> -->
 <%= render :partial => 'main/analyze' %>
 <%= render :partial => 'main/organize' %>