Simplify ShouldHaveApiKey and HasErrors

(cherry picked from commit 7343616a47cd538bba4c9128d2c1094561f9b3a5)

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

@@ -24,12 +24,7 @@ namespace NzbDrone.Core.Indexers.Newznab
 
         private static bool ShouldHaveApiKey(NewznabSettings settings)
         {
-            if (settings.BaseUrl == null)
-            {
-                return false;
-            }
-
-            return ApiKeyWhiteList.Any(c => settings.BaseUrl.ToLowerInvariant().Contains(c));
+            return settings.BaseUrl != null && ApiKeyWhiteList.Any(c => settings.BaseUrl.ToLowerInvariant().Contains(c));
         }
 
         private static readonly Regex AdditionalParametersRegex = new Regex(@"(&.+?\=.+?)+", RegexOptions.Compiled);

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

@@ -19,12 +19,7 @@ namespace NzbDrone.Core.Indexers.Torznab
 
         private static bool ShouldHaveApiKey(TorznabSettings settings)
         {
-            if (settings.BaseUrl == null)
-            {
-                return false;
-            }
-
-            return ApiKeyWhiteList.Any(c => settings.BaseUrl.ToLowerInvariant().Contains(c));
+            return settings.BaseUrl != null && ApiKeyWhiteList.Any(c => settings.BaseUrl.ToLowerInvariant().Contains(c));
         }
 
         private static readonly Regex AdditionalParametersRegex = new Regex(@"(&.+?\=.+?)+", RegexOptions.Compiled);

src/NzbDrone.Core/Validation/NzbDroneValidationExtensions.cs

@@ -24,17 +24,7 @@ namespace NzbDrone.Core.Validation
 
         public static bool HasErrors(this List<ValidationFailure> list)
         {
-            foreach (var item in list)
-            {
-                if (item is NzbDroneValidationFailure { IsWarning: true })
-                {
-                    continue;
-                }
-
-                return true;
-            }
-
-            return false;
+            return list.Any(item => item is not NzbDroneValidationFailure { IsWarning: true });
         }
     }
 }