No longer setting AirDate to null if it aired before series start date

This was causing an issue which is caused by bad data coming from trakt...

NzbDrone.Core/Tv/SeriesService.cs

@@ -96,7 +96,7 @@ namespace NzbDrone.Core.Tv
                 series.QualityProfileId = edited.QualityProfileId;
                 series.Monitored = edited.Monitored;
                 series.SeasonFolder = edited.SeasonFolder;
-                //series.Path = edited.Path;
+                series.Path = edited.Path;
                 series.CustomStartDate = edited.CustomStartDate;
 
                 _seriesRepository.Update(series);
@@ -109,7 +109,6 @@ namespace NzbDrone.Core.Tv
             return _seriesRepository.FindByTvdbId(tvdbId);
         }
 
-
         public Series FindBySlug(string slug)
         {
             var series = _seriesRepository.FindBySlug(slug);