Fixed PTP indexer being disabled if no results are found for a movie.

Fixes #1573

src/NzbDrone.Core/Indexers/PassThePopcorn/PassThePopcornParser.cs

@@ -45,7 +45,7 @@ public IList<ReleaseInfo> ParseResponse(IndexerResponse indexerResponse)
                 jsonResponse.TotalResults.IsNullOrWhiteSpace() ||
                 jsonResponse.Movies == null)
             {
-                throw new IndexerException(indexerResponse, "No results were found");
+                return torrentInfos;
             }