Remove 'Getting Help' section from README (#69)

Author: JuneKelly

README.md

@@ -66,8 +66,3 @@ end
 ## Documentation
 
 On hexdocs: [https://hexdocs.pm/hammer_backend_mnesia/](https://hexdocs.pm/hammer_backend_mnesia/)
-
-## Getting Help
-
-If you're having trouble, either open an issue on this repo, or reach out to the
-maintainers ([@shanekilkelly](https://twitter.com/shanekilkelly)) on Twitter.