Clean up remaining codacy issues

src/NzbDrone.Core/Indexers/RssIndexerRequestGenerator.cs

@@ -47,12 +47,12 @@ namespace NzbDrone.Core.Indexers
             return new IndexerPageableRequestChain();
         }
 
-        public IndexerPageableRequestChain GetSearchRequests(AlbumSearchCriteria searchCriteria)
+        public virtual IndexerPageableRequestChain GetSearchRequests(AlbumSearchCriteria searchCriteria)
         {
             throw new System.NotImplementedException();
         }
 
-        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        public virtual IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
         {
             throw new System.NotImplementedException();
         }

src/NzbDrone.Core/Indexers/TorrentRss/TorrentRssIndexerRequestGenerator.cs

@@ -48,7 +48,7 @@ namespace NzbDrone.Core.Indexers.TorrentRss
             throw new System.NotImplementedException();
         }
 
-        public IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
+        public virtual IndexerPageableRequestChain GetSearchRequests(ArtistSearchCriteria searchCriteria)
         {
             throw new System.NotImplementedException();
         }