More target-typed new and redundant paranthesis cleanup

src/NadekoBot/Services/Settings/ConfigParsers.cs

@@ -21,7 +21,7 @@ public static class ConfigParsers
     {
         try
         {
-            output = new CultureInfo(input);
+            output = new(input);
             return true;
         }
         catch

src/NadekoBot/Services/Settings/ConfigServiceBase.cs

@@ -66,7 +66,7 @@ public abstract class ConfigServiceBase<TSettings> : IConfigService
         // if file is deleted, regenerate it with default values
         if (!File.Exists(_filePath))
         {
-            _data = new TSettings();
+            _data = new();
             Save();
         }