Using humanizer to deal with time and string trimming in some cases. Removed unused methods. Currency output format improvement (will use guild locale now for some commands)

src/NadekoBot/Common/Creds.cs

@@ -111,7 +111,6 @@ Windows default
         public string ConnectionString { get; set; }
     }
 
-    // todo fixup patreon
     public sealed record PatreonSettings
     {
         public string ClientId { get; set; }