github templates: Remove Hashicorp specific stuff.

Author: cyrilgdn

.github/CODE_OF_CONDUCT.md

@@ -1,6 +1,6 @@
 Hi there,
 
-Thank you for opening an issue. Please note that we try to keep the Terraform issue tracker reserved for bug reports and feature requests. For general usage questions, please see: https://www.terraform.io/community.html.
+Thank you for opening an issue. Please provide the following information:
 
 ### Terraform Version
 Run `terraform -v` to show the version. If you are not running the latest version of Terraform, please upgrade because your issue may have already been fixed.