also delete manual topo on device delete

Netdisco/lib/App/Netdisco/DB/ResultSet/Device.pm

@@ -560,6 +560,13 @@ sub delete {
     action => { '-like' => 'queued%' },
   })->delete;
 
+  $schema->resultset('Topology')->search({
+    -or => [
+      { dev1 => { '-in' => $devices->as_query } },
+      { dev2 => { '-in' => $devices->as_query } },
+    ],
+  })->delete;
+
   $schema->resultset('DevicePort')->search(
     { ip => { '-in' => $devices->as_query } },
   )->delete(@_);