* fix imgbin prune

lib/LDV/Imgbin.pm

@@ -160,9 +160,11 @@ sub prune {
 
     my $now = time();
     foreach my $time (@times) {
-      my $data  = Mojo::Asset::File->new(path => $self->_data_path($time));
+      my $path  = $self->_data_path($time);
+      my $data  = Mojo::Asset::File->new(path => $path);
       my $image = $self->app->json->decode($data->slurp);
       next if $image->{expire} > $now;
+      unlink $path;
       unlink $self->_image_path($time, $image->{format}, 1);
       unlink $self->_thumb_path($time);
     } 1;