Remove unused regex in parser

src/NzbDrone.Core/Parser/Parser.cs

@@ -202,9 +202,6 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex AnimeReleaseGroupRegex = new Regex(@"^(?:\[(?<subgroup>(?!\s).+?(?<!\s))\](?:_|-|\s|\.)?)",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex YearInTitleRegex = new Regex(@"^(?<title>.+?)(?:\W|_)?(?<year>\d{4})",
-                                                                RegexOptions.IgnoreCase | RegexOptions.Compiled);
-
         private static readonly Regex WordDelimiterRegex = new Regex(@"(\s|\.|,|_|-|=|\|)+", RegexOptions.Compiled);
         private static readonly Regex PunctuationRegex = new Regex(@"[^\w\s]", RegexOptions.Compiled);
         private static readonly Regex CommonWordRegex = new Regex(@"\b(a|an|the|and|or|of)\b\s?", RegexOptions.IgnoreCase | RegexOptions.Compiled);