Remove from NOTICE MariaDB/JBoss config files

- These are based on the defaults shipped with the given projects, 
  but just match snippets from the docs, and examples that are readily 
  available on a myriad of blogs. Our template config files are similar 
  to the default files, but unsurprisingly the defaults match docs and 
  thus match what one would write for a basic deployment.
Improve RAT exclusion wording for config files
This closes #318