Improve the rendering effect of the Model

QuickLook.Plugin/QuickLook.Plugin.HelixViewer/Handler.cs

@@ -15,7 +15,6 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-using QuickLook.Common.Plugin;
 using System.IO;
 using System.Linq;
 
@@ -46,8 +45,4 @@ internal static class Handler
 
         return false;
     }
-
-    public static void Prepare(string path, ContextObject context)
-    {
-    }
 }