Fix spelling "Use languages from Torznab/Newznab attributes if given"

(cherry picked from commit de3bfb7c5ab03e527dca1be3ef4a664dce266db6)

Fixes #2526

src/NzbDrone.Core/Indexers/IndexerBase.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text.RegularExpressions;
 using FluentValidation.Results;
 using NLog;
 using NzbDrone.Common.Http;
@@ -16,8 +15,6 @@ namespace NzbDrone.Core.Indexers
     public abstract class IndexerBase<TSettings> : IIndexer
         where TSettings : IIndexerSettings, new()
     {
-        private static readonly Regex MultiRegex = new (@"\b(?<multi>multi)\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);
-
         protected readonly IIndexerStatusService _indexerStatusService;
         protected readonly IConfigService _configService;
         protected readonly IParsingService _parsingService;

src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs

@@ -105,16 +105,16 @@ namespace NzbDrone.Core.Indexers.Newznab
 
         protected override List<Language> GetLanguages(XElement item)
         {
-            var languges = TryGetMultipleNewznabAttributes(item, "language");
+            var languages = TryGetMultipleNewznabAttributes(item, "language");
             var results = new List<Language>();
 
             // Try to find <language> elements for some indexers that suck at following the rules.
-            if (languges.Count == 0)
+            if (languages.Count == 0)
             {
-                languges = item.Elements("language").Select(e => e.Value).ToList();
+                languages = item.Elements("language").Select(e => e.Value).ToList();
             }
 
-            foreach (var language in languges)
+            foreach (var language in languages)
             {
                 var mappedLanguage = IsoLanguages.FindByName(language)?.Language ?? null;
 

src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs

@@ -86,16 +86,16 @@ namespace NzbDrone.Core.Indexers.Torznab
 
         protected override List<Language> GetLanguages(XElement item)
         {
-            var languges = TryGetMultipleTorznabAttributes(item, "language");
+            var languages = TryGetMultipleTorznabAttributes(item, "language");
             var results = new List<Language>();
 
             // Try to find <language> elements for some indexers that suck at following the rules.
-            if (languges.Count == 0)
+            if (languages.Count == 0)
             {
-                languges = item.Elements("language").Select(e => e.Value).ToList();
+                languages = item.Elements("language").Select(e => e.Value).ToList();
             }
 
-            foreach (var language in languges)
+            foreach (var language in languages)
             {
                 var mappedLanguage = IsoLanguages.FindByName(language)?.Language ?? null;