Remove useless "warnings" and "errors"

[Trojaner]

https://github.com/Sadusko/CustomMOTD-plugin/blob/master/Main.cs#L34

I just dont get it. Why do you even log what the configuration has set? This doesn't makes sense anyway and just spams the console.

Also pls rename Fragile_Configuration.cs to CustomMOTD_Config.cs....