Finish off containers, somewhat fix block drops

- Add Forge's "name" field to the loot tables. This doesn't resolve all
   our missing loot providers, but it's a start.
 - Add back GUIs for pocket computers, printouts, view computer, etc...

src/main/java/dan200/computercraft/shared/proxy/ComputerCraftProxyCommon.java

@@ -103,15 +103,6 @@ public final class ComputerCraftProxyCommon
         }
         */
 
-        @SubscribeEvent
-        public static void onClientTick( TickEvent.ClientTickEvent event )
-        {
-            if( event.phase == TickEvent.Phase.START )
-            {
-                ComputerCraft.clientComputerRegistry.update();
-            }
-        }
-
         @SubscribeEvent
         public static void onServerTick( TickEvent.ServerTickEvent event )
         {